Home / 87,197.43-130,808.45-28,013.26

Finding the Fourth Proportional to 87,197.43, 130,808.45 and 28,013.26

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Solution

The fourth proportional to 87,197.43, 130,808.45 and 28,013.26 is: 42,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,197.43 : 130,808.45 = 28,013.26 : x
  2. Step 2: Convert to fraction form
    87,197.43/130,808.45 = 28,013.26/x
  3. Step 3: Cross multiply
    87,197.43x = 130,808.45 × 28,013.26
  4. Step 4: Simplify right side
    87,197.43x = 3,664,371,120.05
  5. Step 5: Solve for x
    x = 3,664,371,120.05/87,197.43
  6. Step 6: Final answer
    x = 42,023.84

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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.