Finding the Fourth Proportional to 132,790.36, 183,248.36 and 72,361.44
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Solution
The fourth proportional to 132,790.36, 183,248.36 and 72,361.44 is: 99,857.51
Step by Step Solution
- Step 1: Write the proportion equation
132,790.36 : 183,248.36 = 72,361.44 : x - Step 2: Convert to fraction form
132,790.36/183,248.36 = 72,361.44/x - Step 3: Cross multiply
132,790.36x = 183,248.36 × 72,361.44 - Step 4: Simplify right side
132,790.36x = 13,260,115,207.24 - Step 5: Solve for x
x = 13,260,115,207.24/132,790.36 - Step 6: Final answer
x = 99,857.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.