Home / 187,239.78-258,327.80-106,610.28

Finding the Fourth Proportional to 187,239.78, 258,327.80 and 106,610.28

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Solution

The fourth proportional to 187,239.78, 258,327.80 and 106,610.28 is: 147,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,239.78 : 258,327.80 = 106,610.28 : x
  2. Step 2: Convert to fraction form
    187,239.78/258,327.80 = 106,610.28/x
  3. Step 3: Cross multiply
    187,239.78x = 258,327.80 × 106,610.28
  4. Step 4: Simplify right side
    187,239.78x = 27,540,399,089.78
  5. Step 5: Solve for x
    x = 27,540,399,089.78/187,239.78
  6. Step 6: Final answer
    x = 147,086.26

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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.