Finding the Fourth Proportional to 125,152.32, 187,611.84 and 41,988
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Solution
The fourth proportional to 125,152.32, 187,611.84 and 41,988 is: 62,942.87
Step by Step Solution
- Step 1: Write the proportion equation
125,152.32 : 187,611.84 = 41,988 : x - Step 2: Convert to fraction form
125,152.32/187,611.84 = 41,988/x - Step 3: Cross multiply
125,152.32x = 187,611.84 × 41,988 - Step 4: Simplify right side
125,152.32x = 7,877,445,937.92 - Step 5: Solve for x
x = 7,877,445,937.92/125,152.32 - Step 6: Final answer
x = 62,942.87
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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.