Home / 187,568.28-258,844.24-102,685.34

Finding the Fourth Proportional to 187,568.28, 258,844.24 and 102,685.34

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Solution

The fourth proportional to 187,568.28, 258,844.24 and 102,685.34 is: 141,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,568.28 : 258,844.24 = 102,685.34 : x
  2. Step 2: Convert to fraction form
    187,568.28/258,844.24 = 102,685.34/x
  3. Step 3: Cross multiply
    187,568.28x = 258,844.24 × 102,685.34
  4. Step 4: Simplify right side
    187,568.28x = 26,579,508,791.44
  5. Step 5: Solve for x
    x = 26,579,508,791.44/187,568.28
  6. Step 6: Final answer
    x = 141,705.78

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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.