Home / 129,433.68-194,175-50,542.92

Finding the Fourth Proportional to 129,433.68, 194,175 and 50,542.92

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Solution

The fourth proportional to 129,433.68, 194,175 and 50,542.92 is: 75,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433.68 : 194,175 = 50,542.92 : x
  2. Step 2: Convert to fraction form
    129,433.68/194,175 = 50,542.92/x
  3. Step 3: Cross multiply
    129,433.68x = 194,175 × 50,542.92
  4. Step 4: Simplify right side
    129,433.68x = 9,814,171,491
  5. Step 5: Solve for x
    x = 9,814,171,491/129,433.68
  6. Step 6: Final answer
    x = 75,823.94

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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.