Home / 126,134.20-188,942.10-63,839.80

Finding the Fourth Proportional to 126,134.20, 188,942.10 and 63,839.80

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Solution

The fourth proportional to 126,134.20, 188,942.10 and 63,839.80 is: 95,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134.20 : 188,942.10 = 63,839.80 : x
  2. Step 2: Convert to fraction form
    126,134.20/188,942.10 = 63,839.80/x
  3. Step 3: Cross multiply
    126,134.20x = 188,942.10 × 63,839.80
  4. Step 4: Simplify right side
    126,134.20x = 12,062,025,875.58
  5. Step 5: Solve for x
    x = 12,062,025,875.58/126,134.20
  6. Step 6: Final answer
    x = 95,628.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.