Home / 135,773.28-187,358.67-82,026.54

Finding the Fourth Proportional to 135,773.28, 187,358.67 and 82,026.54

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Solution

The fourth proportional to 135,773.28, 187,358.67 and 82,026.54 is: 113,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,773.28 : 187,358.67 = 82,026.54 : x
  2. Step 2: Convert to fraction form
    135,773.28/187,358.67 = 82,026.54/x
  3. Step 3: Cross multiply
    135,773.28x = 187,358.67 × 82,026.54
  4. Step 4: Simplify right side
    135,773.28x = 15,368,383,439.10
  5. Step 5: Solve for x
    x = 15,368,383,439.10/135,773.28
  6. Step 6: Final answer
    x = 113,191.52

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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.