Home / 165,469.33-228,360.16-100,932.78

Finding the Fourth Proportional to 165,469.33, 228,360.16 and 100,932.78

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Solution

The fourth proportional to 165,469.33, 228,360.16 and 100,932.78 is: 139,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,469.33 : 228,360.16 = 100,932.78 : x
  2. Step 2: Convert to fraction form
    165,469.33/228,360.16 = 100,932.78/x
  3. Step 3: Cross multiply
    165,469.33x = 228,360.16 × 100,932.78
  4. Step 4: Simplify right side
    165,469.33x = 23,049,026,772.56
  5. Step 5: Solve for x
    x = 23,049,026,772.56/165,469.33
  6. Step 6: Final answer
    x = 139,294.86

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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.