Home / 143,575.20-215,377.92-50,081.76

Finding the Fourth Proportional to 143,575.20, 215,377.92 and 50,081.76

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Solution

The fourth proportional to 143,575.20, 215,377.92 and 50,081.76 is: 75,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,575.20 : 215,377.92 = 50,081.76 : x
  2. Step 2: Convert to fraction form
    143,575.20/215,377.92 = 50,081.76/x
  3. Step 3: Cross multiply
    143,575.20x = 215,377.92 × 50,081.76
  4. Step 4: Simplify right side
    143,575.20x = 10,786,505,298.74
  5. Step 5: Solve for x
    x = 10,786,505,298.74/143,575.20
  6. Step 6: Final answer
    x = 75,127.91

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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.