Finding the Fourth Proportional to 132,267.96, 182,531.12 and 71,839.80
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Solution
The fourth proportional to 132,267.96, 182,531.12 and 71,839.80 is: 99,139.65
Step by Step Solution
- Step 1: Write the proportion equation
132,267.96 : 182,531.12 = 71,839.80 : x - Step 2: Convert to fraction form
132,267.96/182,531.12 = 71,839.80/x - Step 3: Cross multiply
132,267.96x = 182,531.12 × 71,839.80 - Step 4: Simplify right side
132,267.96x = 13,112,999,154.58 - Step 5: Solve for x
x = 13,112,999,154.58/132,267.96 - Step 6: Final answer
x = 99,139.65
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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.