use strict;
use warnings;
use POSIX qw( ceil );

my $round_to = 100;

for( 78345, 5674 )
{
    print "$_ -> ", ceil( $_/$round_to ) * $round_to, "\n";
}

[download]
Output: 
78345 -> 78400
5674 -> 5700

[download]

Take a look at the thread I mentioned in my previous post. There are quite a few examples to help you.

In reply to Re^3: Round up 3 values to the next 100 by bobf
in thread Round up 3 values to the next 100 by siva kumar

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