Home / 129,391.98-193,972.54-50,487.85

Finding the Fourth Proportional to 129,391.98, 193,972.54 and 50,487.85

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Solution

The fourth proportional to 129,391.98, 193,972.54 and 50,487.85 is: 75,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,391.98 : 193,972.54 = 50,487.85 : x
  2. Step 2: Convert to fraction form
    129,391.98/193,972.54 = 50,487.85/x
  3. Step 3: Cross multiply
    129,391.98x = 193,972.54 × 50,487.85
  4. Step 4: Simplify right side
    129,391.98x = 9,793,256,503.64
  5. Step 5: Solve for x
    x = 9,793,256,503.64/129,391.98
  6. Step 6: Final answer
    x = 75,686.74

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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.