Home / 129,394.98-193,977.03-50,490.85

Finding the Fourth Proportional to 129,394.98, 193,977.03 and 50,490.85

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Solution

The fourth proportional to 129,394.98, 193,977.03 and 50,490.85 is: 75,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,394.98 : 193,977.03 = 50,490.85 : x
  2. Step 2: Convert to fraction form
    129,394.98/193,977.03 = 50,490.85/x
  3. Step 3: Cross multiply
    129,394.98x = 193,977.03 × 50,490.85
  4. Step 4: Simplify right side
    129,394.98x = 9,794,065,125.18
  5. Step 5: Solve for x
    x = 9,794,065,125.18/129,394.98
  6. Step 6: Final answer
    x = 75,691.23

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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.