Home / 87,899.87-131,853.45-25,570.37

Finding the Fourth Proportional to 87,899.87, 131,853.45 and 25,570.37

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Solution

The fourth proportional to 87,899.87, 131,853.45 and 25,570.37 is: 38,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899.87 : 131,853.45 = 25,570.37 : x
  2. Step 2: Convert to fraction form
    87,899.87/131,853.45 = 25,570.37/x
  3. Step 3: Cross multiply
    87,899.87x = 131,853.45 × 25,570.37
  4. Step 4: Simplify right side
    87,899.87x = 3,371,540,970.37
  5. Step 5: Solve for x
    x = 3,371,540,970.37/87,899.87
  6. Step 6: Final answer
    x = 38,356.61

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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.