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Finding the Fourth Proportional to 171,047.75, 256,613.67 and 58,729.61

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Solution

The fourth proportional to 171,047.75, 256,613.67 and 58,729.61 is: 88,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,047.75 : 256,613.67 = 58,729.61 : x
  2. Step 2: Convert to fraction form
    171,047.75/256,613.67 = 58,729.61/x
  3. Step 3: Cross multiply
    171,047.75x = 256,613.67 × 58,729.61
  4. Step 4: Simplify right side
    171,047.75x = 15,070,820,759.77
  5. Step 5: Solve for x
    x = 15,070,820,759.77/171,047.75
  6. Step 6: Final answer
    x = 88,108.85

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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.