Home / 187,839.64-259,218.68-102,954.88

Finding the Fourth Proportional to 187,839.64, 259,218.68 and 102,954.88

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Solution

The fourth proportional to 187,839.64, 259,218.68 and 102,954.88 is: 142,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,839.64 : 259,218.68 = 102,954.88 : x
  2. Step 2: Convert to fraction form
    187,839.64/259,218.68 = 102,954.88/x
  3. Step 3: Cross multiply
    187,839.64x = 259,218.68 × 102,954.88
  4. Step 4: Simplify right side
    187,839.64x = 26,687,828,093.16
  5. Step 5: Solve for x
    x = 26,687,828,093.16/187,839.64
  6. Step 6: Final answer
    x = 142,077.72

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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.