Finding the Fourth Proportional to 125,158.08, 187,734.96 and 42,052.08
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Solution
The fourth proportional to 125,158.08, 187,734.96 and 42,052.08 is: 63,077.39
Step by Step Solution
- Step 1: Write the proportion equation
125,158.08 : 187,734.96 = 42,052.08 : x - Step 2: Convert to fraction form
125,158.08/187,734.96 = 42,052.08/x - Step 3: Cross multiply
125,158.08x = 187,734.96 × 42,052.08 - Step 4: Simplify right side
125,158.08x = 7,894,645,556.72 - Step 5: Solve for x
x = 7,894,645,556.72/125,158.08 - Step 6: Final answer
x = 63,077.39
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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.