Home / 102,747.38-141,796.78-62,454.60

Finding the Fourth Proportional to 102,747.38, 141,796.78 and 62,454.60

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Solution

The fourth proportional to 102,747.38, 141,796.78 and 62,454.60 is: 86,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,747.38 : 141,796.78 = 62,454.60 : x
  2. Step 2: Convert to fraction form
    102,747.38/141,796.78 = 62,454.60/x
  3. Step 3: Cross multiply
    102,747.38x = 141,796.78 × 62,454.60
  4. Step 4: Simplify right side
    102,747.38x = 8,855,861,020.05
  5. Step 5: Solve for x
    x = 8,855,861,020.05/102,747.38
  6. Step 6: Final answer
    x = 86,190.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.