Home / 135,742.46-187,327.62-75,310.85

Finding the Fourth Proportional to 135,742.46, 187,327.62 and 75,310.85

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Solution

The fourth proportional to 135,742.46, 187,327.62 and 75,310.85 is: 103,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,742.46 : 187,327.62 = 75,310.85 : x
  2. Step 2: Convert to fraction form
    135,742.46/187,327.62 = 75,310.85/x
  3. Step 3: Cross multiply
    135,742.46x = 187,327.62 × 75,310.85
  4. Step 4: Simplify right side
    135,742.46x = 14,107,802,759.00
  5. Step 5: Solve for x
    x = 14,107,802,759.00/135,742.46
  6. Step 6: Final answer
    x = 103,930.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.