Home / 121,819.46-182,606.52-50,781.43

Finding the Fourth Proportional to 121,819.46, 182,606.52 and 50,781.43

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Solution

The fourth proportional to 121,819.46, 182,606.52 and 50,781.43 is: 76,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,819.46 : 182,606.52 = 50,781.43 : x
  2. Step 2: Convert to fraction form
    121,819.46/182,606.52 = 50,781.43/x
  3. Step 3: Cross multiply
    121,819.46x = 182,606.52 × 50,781.43
  4. Step 4: Simplify right side
    121,819.46x = 9,273,019,318.80
  5. Step 5: Solve for x
    x = 9,273,019,318.80/121,819.46
  6. Step 6: Final answer
    x = 76,121.00

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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.