Home / 214,551.48-321,931.76-88,229.69

Finding the Fourth Proportional to 214,551.48, 321,931.76 and 88,229.69

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Solution

The fourth proportional to 214,551.48, 321,931.76 and 88,229.69 is: 132,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,551.48 : 321,931.76 = 88,229.69 : x
  2. Step 2: Convert to fraction form
    214,551.48/321,931.76 = 88,229.69/x
  3. Step 3: Cross multiply
    214,551.48x = 321,931.76 × 88,229.69
  4. Step 4: Simplify right side
    214,551.48x = 28,403,939,385.95
  5. Step 5: Solve for x
    x = 28,403,939,385.95/214,551.48
  6. Step 6: Final answer
    x = 132,387.52

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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.