Home / 129,469.80-194,126.92-50,621.16

Finding the Fourth Proportional to 129,469.80, 194,126.92 and 50,621.16

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Solution

The fourth proportional to 129,469.80, 194,126.92 and 50,621.16 is: 75,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,469.80 : 194,126.92 = 50,621.16 : x
  2. Step 2: Convert to fraction form
    129,469.80/194,126.92 = 50,621.16/x
  3. Step 3: Cross multiply
    129,469.80x = 194,126.92 × 50,621.16
  4. Step 4: Simplify right side
    129,469.80x = 9,826,929,877.63
  5. Step 5: Solve for x
    x = 9,826,929,877.63/129,469.80
  6. Step 6: Final answer
    x = 75,901.33

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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.