Home / 87,286.18-130,905.38-24,091.20

Finding the Fourth Proportional to 87,286.18, 130,905.38 and 24,091.20

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Solution

The fourth proportional to 87,286.18, 130,905.38 and 24,091.20 is: 36,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,286.18 : 130,905.38 = 24,091.20 : x
  2. Step 2: Convert to fraction form
    87,286.18/130,905.38 = 24,091.20/x
  3. Step 3: Cross multiply
    87,286.18x = 130,905.38 × 24,091.20
  4. Step 4: Simplify right side
    87,286.18x = 3,153,667,690.66
  5. Step 5: Solve for x
    x = 3,153,667,690.66/87,286.18
  6. Step 6: Final answer
    x = 36,130.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.