Home / 198,574.13-274,032.30-109,150.13

Finding the Fourth Proportional to 198,574.13, 274,032.30 and 109,150.13

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Solution

The fourth proportional to 198,574.13, 274,032.30 and 109,150.13 is: 150,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,574.13 : 274,032.30 = 109,150.13 : x
  2. Step 2: Convert to fraction form
    198,574.13/274,032.30 = 109,150.13/x
  3. Step 3: Cross multiply
    198,574.13x = 274,032.30 × 109,150.13
  4. Step 4: Simplify right side
    198,574.13x = 29,910,659,799.04
  5. Step 5: Solve for x
    x = 29,910,659,799.04/198,574.13
  6. Step 6: Final answer
    x = 150,627.18

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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.