Home / 138,366.54-207,578.97-44,865

Finding the Fourth Proportional to 138,366.54, 207,578.97 and 44,865

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Solution

The fourth proportional to 138,366.54, 207,578.97 and 44,865 is: 67,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,366.54 : 207,578.97 = 44,865 : x
  2. Step 2: Convert to fraction form
    138,366.54/207,578.97 = 44,865/x
  3. Step 3: Cross multiply
    138,366.54x = 207,578.97 × 44,865
  4. Step 4: Simplify right side
    138,366.54x = 9,313,030,489.05
  5. Step 5: Solve for x
    x = 9,313,030,489.05/138,366.54
  6. Step 6: Final answer
    x = 67,306.96

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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.