Home / 87,336.82-131,030.75-28,171.18

Finding the Fourth Proportional to 87,336.82, 131,030.75 and 28,171.18

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Solution

The fourth proportional to 87,336.82, 131,030.75 and 28,171.18 is: 42,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336.82 : 131,030.75 = 28,171.18 : x
  2. Step 2: Convert to fraction form
    87,336.82/131,030.75 = 28,171.18/x
  3. Step 3: Cross multiply
    87,336.82x = 131,030.75 × 28,171.18
  4. Step 4: Simplify right side
    87,336.82x = 3,691,290,843.79
  5. Step 5: Solve for x
    x = 3,691,290,843.79/87,336.82
  6. Step 6: Final answer
    x = 42,265.00

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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.