Home / 165,712.28-228,610.19-111,977.69

Finding the Fourth Proportional to 165,712.28, 228,610.19 and 111,977.69

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Solution

The fourth proportional to 165,712.28, 228,610.19 and 111,977.69 is: 154,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,712.28 : 228,610.19 = 111,977.69 : x
  2. Step 2: Convert to fraction form
    165,712.28/228,610.19 = 111,977.69/x
  3. Step 3: Cross multiply
    165,712.28x = 228,610.19 × 111,977.69
  4. Step 4: Simplify right side
    165,712.28x = 25,599,239,855.25
  5. Step 5: Solve for x
    x = 25,599,239,855.25/165,712.28
  6. Step 6: Final answer
    x = 154,480.04

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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.