Home / 214,542.38-321,917.26-88,275.80

Finding the Fourth Proportional to 214,542.38, 321,917.26 and 88,275.80

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Solution

The fourth proportional to 214,542.38, 321,917.26 and 88,275.80 is: 132,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,542.38 : 321,917.26 = 88,275.80 : x
  2. Step 2: Convert to fraction form
    214,542.38/321,917.26 = 88,275.80/x
  3. Step 3: Cross multiply
    214,542.38x = 321,917.26 × 88,275.80
  4. Step 4: Simplify right side
    214,542.38x = 28,417,503,660.31
  5. Step 5: Solve for x
    x = 28,417,503,660.31/214,542.38
  6. Step 6: Final answer
    x = 132,456.36

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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.