Home / 125,201.06-187,989.19-108,385.93

Finding the Fourth Proportional to 125,201.06, 187,989.19 and 108,385.93

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Solution

The fourth proportional to 125,201.06, 187,989.19 and 108,385.93 is: 162,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,201.06 : 187,989.19 = 108,385.93 : x
  2. Step 2: Convert to fraction form
    125,201.06/187,989.19 = 108,385.93/x
  3. Step 3: Cross multiply
    125,201.06x = 187,989.19 × 108,385.93
  4. Step 4: Simplify right side
    125,201.06x = 20,375,383,152.12
  5. Step 5: Solve for x
    x = 20,375,383,152.12/125,201.06
  6. Step 6: Final answer
    x = 162,741.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.