Home / 165,540.18-228,441.15-96,642.85

Finding the Fourth Proportional to 165,540.18, 228,441.15 and 96,642.85

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Solution

The fourth proportional to 165,540.18, 228,441.15 and 96,642.85 is: 133,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,540.18 : 228,441.15 = 96,642.85 : x
  2. Step 2: Convert to fraction form
    165,540.18/228,441.15 = 96,642.85/x
  3. Step 3: Cross multiply
    165,540.18x = 228,441.15 × 96,642.85
  4. Step 4: Simplify right side
    165,540.18x = 22,077,202,872.11
  5. Step 5: Solve for x
    x = 22,077,202,872.11/165,540.18
  6. Step 6: Final answer
    x = 133,364.62

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1.5x scale

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.