Home / 129,917.97-179,285.45-73,331.73

Finding the Fourth Proportional to 129,917.97, 179,285.45 and 73,331.73

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Solution

The fourth proportional to 129,917.97, 179,285.45 and 73,331.73 is: 101,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,917.97 : 179,285.45 = 73,331.73 : x
  2. Step 2: Convert to fraction form
    129,917.97/179,285.45 = 73,331.73/x
  3. Step 3: Cross multiply
    129,917.97x = 179,285.45 × 73,331.73
  4. Step 4: Simplify right side
    129,917.97x = 13,147,311,845.67
  5. Step 5: Solve for x
    x = 13,147,311,845.67/129,917.97
  6. Step 6: Final answer
    x = 101,197.02

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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.