Home / 126,906.39-175,149.47-73,180.91

Finding the Fourth Proportional to 126,906.39, 175,149.47 and 73,180.91

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Solution

The fourth proportional to 126,906.39, 175,149.47 and 73,180.91 is: 101,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.39 : 175,149.47 = 73,180.91 : x
  2. Step 2: Convert to fraction form
    126,906.39/175,149.47 = 73,180.91/x
  3. Step 3: Cross multiply
    126,906.39x = 175,149.47 × 73,180.91
  4. Step 4: Simplify right side
    126,906.39x = 12,817,597,600.62
  5. Step 5: Solve for x
    x = 12,817,597,600.62/126,906.39
  6. Step 6: Final answer
    x = 101,000.41

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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.