Home / 165,122.78-227,939.20-111,480.46

Finding the Fourth Proportional to 165,122.78, 227,939.20 and 111,480.46

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Solution

The fourth proportional to 165,122.78, 227,939.20 and 111,480.46 is: 153,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,122.78 : 227,939.20 = 111,480.46 : x
  2. Step 2: Convert to fraction form
    165,122.78/227,939.20 = 111,480.46/x
  3. Step 3: Cross multiply
    165,122.78x = 227,939.20 × 111,480.46
  4. Step 4: Simplify right side
    165,122.78x = 25,410,766,019.48
  5. Step 5: Solve for x
    x = 25,410,766,019.48/165,122.78
  6. Step 6: Final answer
    x = 153,890.13

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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.