Home / 214,508.25-321,748.20-88,115.45

Finding the Fourth Proportional to 214,508.25, 321,748.20 and 88,115.45

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Solution

The fourth proportional to 214,508.25, 321,748.20 and 88,115.45 is: 132,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,508.25 : 321,748.20 = 88,115.45 : x
  2. Step 2: Convert to fraction form
    214,508.25/321,748.20 = 88,115.45/x
  3. Step 3: Cross multiply
    214,508.25x = 321,748.20 × 88,115.45
  4. Step 4: Simplify right side
    214,508.25x = 28,350,985,820.95
  5. Step 5: Solve for x
    x = 28,350,985,820.95/214,508.25
  6. Step 6: Final answer
    x = 132,167.34

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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.