Home / 187,839.24-259,216.68-102,956.10

Finding the Fourth Proportional to 187,839.24, 259,216.68 and 102,956.10

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Solution

The fourth proportional to 187,839.24, 259,216.68 and 102,956.10 is: 142,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,839.24 : 259,216.68 = 102,956.10 : x
  2. Step 2: Convert to fraction form
    187,839.24/259,216.68 = 102,956.10/x
  3. Step 3: Cross multiply
    187,839.24x = 259,216.68 × 102,956.10
  4. Step 4: Simplify right side
    187,839.24x = 26,687,938,427.75
  5. Step 5: Solve for x
    x = 26,687,938,427.75/187,839.24
  6. Step 6: Final answer
    x = 142,078.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.