Home / 198,494.12-297,784.92-109,876.88

Finding the Fourth Proportional to 198,494.12, 297,784.92 and 109,876.88

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Solution

The fourth proportional to 198,494.12, 297,784.92 and 109,876.88 is: 164,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,494.12 : 297,784.92 = 109,876.88 : x
  2. Step 2: Convert to fraction form
    198,494.12/297,784.92 = 109,876.88/x
  3. Step 3: Cross multiply
    198,494.12x = 297,784.92 × 109,876.88
  4. Step 4: Simplify right side
    198,494.12x = 32,719,677,920.65
  5. Step 5: Solve for x
    x = 32,719,677,920.65/198,494.12
  6. Step 6: Final answer
    x = 164,839.53

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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.