Home / 187,129.44-258,208.76-106,558.54

Finding the Fourth Proportional to 187,129.44, 258,208.76 and 106,558.54

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Solution

The fourth proportional to 187,129.44, 258,208.76 and 106,558.54 is: 147,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,129.44 : 258,208.76 = 106,558.54 : x
  2. Step 2: Convert to fraction form
    187,129.44/258,208.76 = 106,558.54/x
  3. Step 3: Cross multiply
    187,129.44x = 258,208.76 × 106,558.54
  4. Step 4: Simplify right side
    187,129.44x = 27,514,348,101.68
  5. Step 5: Solve for x
    x = 27,514,348,101.68/187,129.44
  6. Step 6: Final answer
    x = 147,033.78

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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.