Home / 135,944.29-187,633.11-75,535.69

Finding the Fourth Proportional to 135,944.29, 187,633.11 and 75,535.69

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Solution

The fourth proportional to 135,944.29, 187,633.11 and 75,535.69 is: 104,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,944.29 : 187,633.11 = 75,535.69 : x
  2. Step 2: Convert to fraction form
    135,944.29/187,633.11 = 75,535.69/x
  3. Step 3: Cross multiply
    135,944.29x = 187,633.11 × 75,535.69
  4. Step 4: Simplify right side
    135,944.29x = 14,172,996,430.70
  5. Step 5: Solve for x
    x = 14,172,996,430.70/135,944.29
  6. Step 6: Final answer
    x = 104,255.92

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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.