Finding the Fourth Proportional to 132,161.18, 182,382.97 and 71,731.91
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Solution
The fourth proportional to 132,161.18, 182,382.97 and 71,731.91 is: 98,990.33
Step by Step Solution
- Step 1: Write the proportion equation
132,161.18 : 182,382.97 = 71,731.91 : x - Step 2: Convert to fraction form
132,161.18/182,382.97 = 71,731.91/x - Step 3: Cross multiply
132,161.18x = 182,382.97 × 71,731.91 - Step 4: Simplify right side
132,161.18x = 13,082,678,789.57 - Step 5: Solve for x
x = 13,082,678,789.57/132,161.18 - Step 6: Final answer
x = 98,990.33
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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.