Home / 187,292.38-258,480.37-106,745.86

Finding the Fourth Proportional to 187,292.38, 258,480.37 and 106,745.86

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Solution

The fourth proportional to 187,292.38, 258,480.37 and 106,745.86 is: 147,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,292.38 : 258,480.37 = 106,745.86 : x
  2. Step 2: Convert to fraction form
    187,292.38/258,480.37 = 106,745.86/x
  3. Step 3: Cross multiply
    187,292.38x = 258,480.37 × 106,745.86
  4. Step 4: Simplify right side
    187,292.38x = 27,591,709,388.77
  5. Step 5: Solve for x
    x = 27,591,709,388.77/187,292.38
  6. Step 6: Final answer
    x = 147,318.91

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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.