Finding the Fourth Proportional to 132,153.44, 182,373.12 and 71,724.60
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Solution
The fourth proportional to 132,153.44, 182,373.12 and 71,724.60 is: 98,980.70
Step by Step Solution
- Step 1: Write the proportion equation
132,153.44 : 182,373.12 = 71,724.60 : x - Step 2: Convert to fraction form
132,153.44/182,373.12 = 71,724.60/x - Step 3: Cross multiply
132,153.44x = 182,373.12 × 71,724.60 - Step 4: Simplify right side
132,153.44x = 13,080,639,082.75 - Step 5: Solve for x
x = 13,080,639,082.75/132,153.44 - Step 6: Final answer
x = 98,980.70
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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.