Home / 204,255.25-306,391.11-71,148.97

Finding the Fourth Proportional to 204,255.25, 306,391.11 and 71,148.97

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Solution

The fourth proportional to 204,255.25, 306,391.11 and 71,148.97 is: 106,726.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,255.25 : 306,391.11 = 71,148.97 : x
  2. Step 2: Convert to fraction form
    204,255.25/306,391.11 = 71,148.97/x
  3. Step 3: Cross multiply
    204,255.25x = 306,391.11 × 71,148.97
  4. Step 4: Simplify right side
    204,255.25x = 21,799,410,361.70
  5. Step 5: Solve for x
    x = 21,799,410,361.70/204,255.25
  6. Step 6: Final answer
    x = 106,726.32

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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.