Home / 199,399.04-275,169.61-108,753.38

Finding the Fourth Proportional to 199,399.04, 275,169.61 and 108,753.38

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Solution

The fourth proportional to 199,399.04, 275,169.61 and 108,753.38 is: 150,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,399.04 : 275,169.61 = 108,753.38 : x
  2. Step 2: Convert to fraction form
    199,399.04/275,169.61 = 108,753.38/x
  3. Step 3: Cross multiply
    199,399.04x = 275,169.61 × 108,753.38
  4. Step 4: Simplify right side
    199,399.04x = 29,925,625,160.78
  5. Step 5: Solve for x
    x = 29,925,625,160.78/199,399.04
  6. Step 6: Final answer
    x = 150,079.08

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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.