Home / 87,904.09-131,859.78-25,574.59

Finding the Fourth Proportional to 87,904.09, 131,859.78 and 25,574.59

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Solution

The fourth proportional to 87,904.09, 131,859.78 and 25,574.59 is: 38,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,904.09 : 131,859.78 = 25,574.59 : x
  2. Step 2: Convert to fraction form
    87,904.09/131,859.78 = 25,574.59/x
  3. Step 3: Cross multiply
    87,904.09x = 131,859.78 × 25,574.59
  4. Step 4: Simplify right side
    87,904.09x = 3,372,259,282.06
  5. Step 5: Solve for x
    x = 3,372,259,282.06/87,904.09
  6. Step 6: Final answer
    x = 38,362.94

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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.