Home / 187,822.40-259,201.48-102,939.44

Finding the Fourth Proportional to 187,822.40, 259,201.48 and 102,939.44

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Solution

The fourth proportional to 187,822.40, 259,201.48 and 102,939.44 is: 142,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,822.40 : 259,201.48 = 102,939.44 : x
  2. Step 2: Convert to fraction form
    187,822.40/259,201.48 = 102,939.44/x
  3. Step 3: Cross multiply
    187,822.40x = 259,201.48 × 102,939.44
  4. Step 4: Simplify right side
    187,822.40x = 26,682,055,198.37
  5. Step 5: Solve for x
    x = 26,682,055,198.37/187,822.40
  6. Step 6: Final answer
    x = 142,060.03

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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.