Home / 121,505.22-182,236.82-54,929.88

Finding the Fourth Proportional to 121,505.22, 182,236.82 and 54,929.88

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Solution

The fourth proportional to 121,505.22, 182,236.82 and 54,929.88 is: 82,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,505.22 : 182,236.82 = 54,929.88 : x
  2. Step 2: Convert to fraction form
    121,505.22/182,236.82 = 54,929.88/x
  3. Step 3: Cross multiply
    121,505.22x = 182,236.82 × 54,929.88
  4. Step 4: Simplify right side
    121,505.22x = 10,010,246,654.18
  5. Step 5: Solve for x
    x = 10,010,246,654.18/121,505.22
  6. Step 6: Final answer
    x = 82,385.32

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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.