Home / 129,031.80-193,399.14-50,079.24

Finding the Fourth Proportional to 129,031.80, 193,399.14 and 50,079.24

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Solution

The fourth proportional to 129,031.80, 193,399.14 and 50,079.24 is: 75,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,031.80 : 193,399.14 = 50,079.24 : x
  2. Step 2: Convert to fraction form
    129,031.80/193,399.14 = 50,079.24/x
  3. Step 3: Cross multiply
    129,031.80x = 193,399.14 × 50,079.24
  4. Step 4: Simplify right side
    129,031.80x = 9,685,281,947.85
  5. Step 5: Solve for x
    x = 9,685,281,947.85/129,031.80
  6. Step 6: Final answer
    x = 75,061.20

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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.