Home / 199,540.30-275,371.45-108,902.07

Finding the Fourth Proportional to 199,540.30, 275,371.45 and 108,902.07

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Solution

The fourth proportional to 199,540.30, 275,371.45 and 108,902.07 is: 150,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,540.30 : 275,371.45 = 108,902.07 : x
  2. Step 2: Convert to fraction form
    199,540.30/275,371.45 = 108,902.07/x
  3. Step 3: Cross multiply
    199,540.30x = 275,371.45 × 108,902.07
  4. Step 4: Simplify right side
    199,540.30x = 29,988,520,651.65
  5. Step 5: Solve for x
    x = 29,988,520,651.65/199,540.30
  6. Step 6: Final answer
    x = 150,288.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.