Home / 147,469.28-220,127.33-126,543.79

Finding the Fourth Proportional to 147,469.28, 220,127.33 and 126,543.79

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Solution

The fourth proportional to 147,469.28, 220,127.33 and 126,543.79 is: 188,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,469.28 : 220,127.33 = 126,543.79 : x
  2. Step 2: Convert to fraction form
    147,469.28/220,127.33 = 126,543.79/x
  3. Step 3: Cross multiply
    147,469.28x = 220,127.33 × 126,543.79
  4. Step 4: Simplify right side
    147,469.28x = 27,855,746,620.78
  5. Step 5: Solve for x
    x = 27,855,746,620.78/147,469.28
  6. Step 6: Final answer
    x = 188,891.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.