Home / 165,565.52-228,480.38-90,114.56

Finding the Fourth Proportional to 165,565.52, 228,480.38 and 90,114.56

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Solution

The fourth proportional to 165,565.52, 228,480.38 and 90,114.56 is: 124,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,565.52 : 228,480.38 = 90,114.56 : x
  2. Step 2: Convert to fraction form
    165,565.52/228,480.38 = 90,114.56/x
  3. Step 3: Cross multiply
    165,565.52x = 228,480.38 × 90,114.56
  4. Step 4: Simplify right side
    165,565.52x = 20,589,408,912.33
  5. Step 5: Solve for x
    x = 20,589,408,912.33/165,565.52
  6. Step 6: Final answer
    x = 124,358.07

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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.