Finding the Fourth Proportional to 119,152.07, 178,700.86 and 71,134.26
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Solution
The fourth proportional to 119,152.07, 178,700.86 and 71,134.26 is: 106,685.12
Step by Step Solution
- Step 1: Write the proportion equation
119,152.07 : 178,700.86 = 71,134.26 : x - Step 2: Convert to fraction form
119,152.07/178,700.86 = 71,134.26/x - Step 3: Cross multiply
119,152.07x = 178,700.86 × 71,134.26 - Step 4: Simplify right side
119,152.07x = 12,711,753,437.46 - Step 5: Solve for x
x = 12,711,753,437.46/119,152.07 - Step 6: Final answer
x = 106,685.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.