Home / 102,788.46-141,812.91-62,489.34

Finding the Fourth Proportional to 102,788.46, 141,812.91 and 62,489.34

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Solution

The fourth proportional to 102,788.46, 141,812.91 and 62,489.34 is: 86,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,788.46 : 141,812.91 = 62,489.34 : x
  2. Step 2: Convert to fraction form
    102,788.46/141,812.91 = 62,489.34/x
  3. Step 3: Cross multiply
    102,788.46x = 141,812.91 × 62,489.34
  4. Step 4: Simplify right side
    102,788.46x = 8,861,795,149.38
  5. Step 5: Solve for x
    x = 8,861,795,149.38/102,788.46
  6. Step 6: Final answer
    x = 86,213.91

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1.5x scale

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.