Home / 129,600.52-178,847.92-73,030.12

Finding the Fourth Proportional to 129,600.52, 178,847.92 and 73,030.12

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Solution

The fourth proportional to 129,600.52, 178,847.92 and 73,030.12 is: 100,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,600.52 : 178,847.92 = 73,030.12 : x
  2. Step 2: Convert to fraction form
    129,600.52/178,847.92 = 73,030.12/x
  3. Step 3: Cross multiply
    129,600.52x = 178,847.92 × 73,030.12
  4. Step 4: Simplify right side
    129,600.52x = 13,061,285,059.35
  5. Step 5: Solve for x
    x = 13,061,285,059.35/129,600.52
  6. Step 6: Final answer
    x = 100,781.12

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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.