Home / 95,524.20-143,286.30-86,338.80

Finding the Fourth Proportional to 95,524.20, 143,286.30 and 86,338.80

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Solution

The fourth proportional to 95,524.20, 143,286.30 and 86,338.80 is: 129,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,524.20 : 143,286.30 = 86,338.80 : x
  2. Step 2: Convert to fraction form
    95,524.20/143,286.30 = 86,338.80/x
  3. Step 3: Cross multiply
    95,524.20x = 143,286.30 × 86,338.80
  4. Step 4: Simplify right side
    95,524.20x = 12,371,167,198.44
  5. Step 5: Solve for x
    x = 12,371,167,198.44/95,524.20
  6. Step 6: Final answer
    x = 129,508.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.