Finding the Fourth Proportional to 132,531.97, 182,969.54 and 87,341.26
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Solution
The fourth proportional to 132,531.97, 182,969.54 and 87,341.26 is: 120,580.64
Step by Step Solution
- Step 1: Write the proportion equation
132,531.97 : 182,969.54 = 87,341.26 : x - Step 2: Convert to fraction form
132,531.97/182,969.54 = 87,341.26/x - Step 3: Cross multiply
132,531.97x = 182,969.54 × 87,341.26 - Step 4: Simplify right side
132,531.97x = 15,980,790,165.22 - Step 5: Solve for x
x = 15,980,790,165.22/132,531.97 - Step 6: Final answer
x = 120,580.64
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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.