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Finding the Fourth Proportional to 171,045.75, 256,610.67 and 58,727.61

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Solution

The fourth proportional to 171,045.75, 256,610.67 and 58,727.61 is: 88,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,045.75 : 256,610.67 = 58,727.61 : x
  2. Step 2: Convert to fraction form
    171,045.75/256,610.67 = 58,727.61/x
  3. Step 3: Cross multiply
    171,045.75x = 256,610.67 × 58,727.61
  4. Step 4: Simplify right side
    171,045.75x = 15,070,131,349.60
  5. Step 5: Solve for x
    x = 15,070,131,349.60/171,045.75
  6. Step 6: Final answer
    x = 88,105.85

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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.