Home / 87,721.04-131,601-25,392.08

Finding the Fourth Proportional to 87,721.04, 131,601 and 25,392.08

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Solution

The fourth proportional to 87,721.04, 131,601 and 25,392.08 is: 38,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,721.04 : 131,601 = 25,392.08 : x
  2. Step 2: Convert to fraction form
    87,721.04/131,601 = 25,392.08/x
  3. Step 3: Cross multiply
    87,721.04x = 131,601 × 25,392.08
  4. Step 4: Simplify right side
    87,721.04x = 3,341,623,120.08
  5. Step 5: Solve for x
    x = 3,341,623,120.08/87,721.04
  6. Step 6: Final answer
    x = 38,093.75

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1.5x scale

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.