Home / 214,522.60-321,899.10-89,876.20

Finding the Fourth Proportional to 214,522.60, 321,899.10 and 89,876.20

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Solution

The fourth proportional to 214,522.60, 321,899.10 and 89,876.20 is: 134,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,522.60 : 321,899.10 = 89,876.20 : x
  2. Step 2: Convert to fraction form
    214,522.60/321,899.10 = 89,876.20/x
  3. Step 3: Cross multiply
    214,522.60x = 321,899.10 × 89,876.20
  4. Step 4: Simplify right side
    214,522.60x = 28,931,067,891.42
  5. Step 5: Solve for x
    x = 28,931,067,891.42/214,522.60
  6. Step 6: Final answer
    x = 134,862.56

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1.5x scale

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.