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Finding the Fourth Proportional to 94,229.57, 141,363.54 and 84,819.12

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Solution

The fourth proportional to 94,229.57, 141,363.54 and 84,819.12 is: 127,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,229.57 : 141,363.54 = 84,819.12 : x
  2. Step 2: Convert to fraction form
    94,229.57/141,363.54 = 84,819.12/x
  3. Step 3: Cross multiply
    94,229.57x = 141,363.54 × 84,819.12
  4. Step 4: Simplify right side
    94,229.57x = 11,990,331,062.88
  5. Step 5: Solve for x
    x = 11,990,331,062.88/94,229.57
  6. Step 6: Final answer
    x = 127,245.96

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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.