Home / 87,787.86-131,694.75-25,450.26

Finding the Fourth Proportional to 87,787.86, 131,694.75 and 25,450.26

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Solution

The fourth proportional to 87,787.86, 131,694.75 and 25,450.26 is: 38,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,787.86 : 131,694.75 = 25,450.26 : x
  2. Step 2: Convert to fraction form
    87,787.86/131,694.75 = 25,450.26/x
  3. Step 3: Cross multiply
    87,787.86x = 131,694.75 × 25,450.26
  4. Step 4: Simplify right side
    87,787.86x = 3,351,665,628.14
  5. Step 5: Solve for x
    x = 3,351,665,628.14/87,787.86
  6. Step 6: Final answer
    x = 38,179.15

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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.