Home / 187,837.49-259,215.20-102,954.29

Finding the Fourth Proportional to 187,837.49, 259,215.20 and 102,954.29

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Solution

The fourth proportional to 187,837.49, 259,215.20 and 102,954.29 is: 142,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,837.49 : 259,215.20 = 102,954.29 : x
  2. Step 2: Convert to fraction form
    187,837.49/259,215.20 = 102,954.29/x
  3. Step 3: Cross multiply
    187,837.49x = 259,215.20 × 102,954.29
  4. Step 4: Simplify right side
    187,837.49x = 26,687,316,358.44
  5. Step 5: Solve for x
    x = 26,687,316,358.44/187,837.49
  6. Step 6: Final answer
    x = 142,076.62

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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.