Home / 138,259.28-207,397.56-44,774.48

Finding the Fourth Proportional to 138,259.28, 207,397.56 and 44,774.48

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Solution

The fourth proportional to 138,259.28, 207,397.56 and 44,774.48 is: 67,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,259.28 : 207,397.56 = 44,774.48 : x
  2. Step 2: Convert to fraction form
    138,259.28/207,397.56 = 44,774.48/x
  3. Step 3: Cross multiply
    138,259.28x = 207,397.56 × 44,774.48
  4. Step 4: Simplify right side
    138,259.28x = 9,286,117,902.27
  5. Step 5: Solve for x
    x = 9,286,117,902.27/138,259.28
  6. Step 6: Final answer
    x = 67,164.52

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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.