Home / 135,753.70-187,337.24-75,323.04

Finding the Fourth Proportional to 135,753.70, 187,337.24 and 75,323.04

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Solution

The fourth proportional to 135,753.70, 187,337.24 and 75,323.04 is: 103,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.70 : 187,337.24 = 75,323.04 : x
  2. Step 2: Convert to fraction form
    135,753.70/187,337.24 = 75,323.04/x
  3. Step 3: Cross multiply
    135,753.70x = 187,337.24 × 75,323.04
  4. Step 4: Simplify right side
    135,753.70x = 14,110,810,422.01
  5. Step 5: Solve for x
    x = 14,110,810,422.01/135,753.70
  6. Step 6: Final answer
    x = 103,944.20

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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.