Home / 135,965.52-187,587.18-82,230.12

Finding the Fourth Proportional to 135,965.52, 187,587.18 and 82,230.12

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Solution

The fourth proportional to 135,965.52, 187,587.18 and 82,230.12 is: 113,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,965.52 : 187,587.18 = 82,230.12 : x
  2. Step 2: Convert to fraction form
    135,965.52/187,587.18 = 82,230.12/x
  3. Step 3: Cross multiply
    135,965.52x = 187,587.18 × 82,230.12
  4. Step 4: Simplify right side
    135,965.52x = 15,425,316,321.86
  5. Step 5: Solve for x
    x = 15,425,316,321.86/135,965.52
  6. Step 6: Final answer
    x = 113,450.21

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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.