Out Of Proportion Meaning

(idiomatic) Not in a proper or pleasing relation to other things, especially in terms of size.

Example:   I only said that she wasn't as young as she used to be, and her response was out of proportion.
Philip Larkin, Toads
  Six days of the week it [work] soils / With its sickening poison — / Just for paying a few bills! / That's out of proportion.