Home / 102,937.68-142,049.16-58,217.04

Finding the Fourth Proportional to 102,937.68, 142,049.16 and 58,217.04

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Solution

The fourth proportional to 102,937.68, 142,049.16 and 58,217.04 is: 80,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,937.68 : 142,049.16 = 58,217.04 : x
  2. Step 2: Convert to fraction form
    102,937.68/142,049.16 = 58,217.04/x
  3. Step 3: Cross multiply
    102,937.68x = 142,049.16 × 58,217.04
  4. Step 4: Simplify right side
    102,937.68x = 8,269,681,629.69
  5. Step 5: Solve for x
    x = 8,269,681,629.69/102,937.68
  6. Step 6: Final answer
    x = 80,336.78

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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.