Home / 129,247.11-193,870.76-40,507.47

Finding the Fourth Proportional to 129,247.11, 193,870.76 and 40,507.47

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Solution

The fourth proportional to 129,247.11, 193,870.76 and 40,507.47 is: 60,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,247.11 : 193,870.76 = 40,507.47 : x
  2. Step 2: Convert to fraction form
    129,247.11/193,870.76 = 40,507.47/x
  3. Step 3: Cross multiply
    129,247.11x = 193,870.76 × 40,507.47
  4. Step 4: Simplify right side
    129,247.11x = 7,853,213,792.04
  5. Step 5: Solve for x
    x = 7,853,213,792.04/129,247.11
  6. Step 6: Final answer
    x = 60,761.23

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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.