Home / 138,752.55-208,001.25-49,984.35

Finding the Fourth Proportional to 138,752.55, 208,001.25 and 49,984.35

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Solution

The fourth proportional to 138,752.55, 208,001.25 and 49,984.35 is: 74,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,752.55 : 208,001.25 = 49,984.35 : x
  2. Step 2: Convert to fraction form
    138,752.55/208,001.25 = 49,984.35/x
  3. Step 3: Cross multiply
    138,752.55x = 208,001.25 × 49,984.35
  4. Step 4: Simplify right side
    138,752.55x = 10,396,806,500.43
  5. Step 5: Solve for x
    x = 10,396,806,500.43/138,752.55
  6. Step 6: Final answer
    x = 74,930.56

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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.