Home / 132,279-198,447.24-43,541.52

Finding the Fourth Proportional to 132,279, 198,447.24 and 43,541.52

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Solution

The fourth proportional to 132,279, 198,447.24 and 43,541.52 is: 65,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279 : 198,447.24 = 43,541.52 : x
  2. Step 2: Convert to fraction form
    132,279/198,447.24 = 43,541.52/x
  3. Step 3: Cross multiply
    132,279x = 198,447.24 × 43,541.52
  4. Step 4: Simplify right side
    132,279x = 8,640,694,469.40
  5. Step 5: Solve for x
    x = 8,640,694,469.40/132,279
  6. Step 6: Final answer
    x = 65,321.74

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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.