Finding the Fourth Proportional to 132,312.35, 182,591.92 and 71,882.98
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Solution
The fourth proportional to 132,312.35, 182,591.92 and 71,882.98 is: 99,198.99
Step by Step Solution
- Step 1: Write the proportion equation
132,312.35 : 182,591.92 = 71,882.98 : x - Step 2: Convert to fraction form
132,312.35/182,591.92 = 71,882.98/x - Step 3: Cross multiply
132,312.35x = 182,591.92 × 71,882.98 - Step 4: Simplify right side
132,312.35x = 13,125,251,333.52 - Step 5: Solve for x
x = 13,125,251,333.52/132,312.35 - Step 6: Final answer
x = 99,198.99
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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.