Home / 129,246.97-193,870.52-40,507.38

Finding the Fourth Proportional to 129,246.97, 193,870.52 and 40,507.38

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Solution

The fourth proportional to 129,246.97, 193,870.52 and 40,507.38 is: 60,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,246.97 : 193,870.52 = 40,507.38 : x
  2. Step 2: Convert to fraction form
    129,246.97/193,870.52 = 40,507.38/x
  3. Step 3: Cross multiply
    129,246.97x = 193,870.52 × 40,507.38
  4. Step 4: Simplify right side
    129,246.97x = 7,853,186,621.90
  5. Step 5: Solve for x
    x = 7,853,186,621.90/129,246.97
  6. Step 6: Final answer
    x = 60,761.09

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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.