Home / 121,819.52-182,606.60-50,781.48

Finding the Fourth Proportional to 121,819.52, 182,606.60 and 50,781.48

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Solution

The fourth proportional to 121,819.52, 182,606.60 and 50,781.48 is: 76,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,819.52 : 182,606.60 = 50,781.48 : x
  2. Step 2: Convert to fraction form
    121,819.52/182,606.60 = 50,781.48/x
  3. Step 3: Cross multiply
    121,819.52x = 182,606.60 × 50,781.48
  4. Step 4: Simplify right side
    121,819.52x = 9,273,033,151.86
  5. Step 5: Solve for x
    x = 9,273,033,151.86/121,819.52
  6. Step 6: Final answer
    x = 76,121.08

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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.