Finding the Fourth Proportional to 125,102.26, 187,672.56 and 42,015.70
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Solution
The fourth proportional to 125,102.26, 187,672.56 and 42,015.70 is: 63,029.99
Step by Step Solution
- Step 1: Write the proportion equation
125,102.26 : 187,672.56 = 42,015.70 : x - Step 2: Convert to fraction form
125,102.26/187,672.56 = 42,015.70/x - Step 3: Cross multiply
125,102.26x = 187,672.56 × 42,015.70 - Step 4: Simplify right side
125,102.26x = 7,885,193,979.19 - Step 5: Solve for x
x = 7,885,193,979.19/125,102.26 - Step 6: Final answer
x = 63,029.99
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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.