Finding the Fourth Proportional to 132,159.84, 182,380.68 and 71,730.48
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Solution
The fourth proportional to 132,159.84, 182,380.68 and 71,730.48 is: 98,988.12
Step by Step Solution
- Step 1: Write the proportion equation
132,159.84 : 182,380.68 = 71,730.48 : x - Step 2: Convert to fraction form
132,159.84/182,380.68 = 71,730.48/x - Step 3: Cross multiply
132,159.84x = 182,380.68 × 71,730.48 - Step 4: Simplify right side
132,159.84x = 13,082,253,719.13 - Step 5: Solve for x
x = 13,082,253,719.13/132,159.84 - Step 6: Final answer
x = 98,988.12
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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.