Home / 165,275.28-228,149.82-111,633.12

Finding the Fourth Proportional to 165,275.28, 228,149.82 and 111,633.12

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Solution

The fourth proportional to 165,275.28, 228,149.82 and 111,633.12 is: 154,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,275.28 : 228,149.82 = 111,633.12 : x
  2. Step 2: Convert to fraction form
    165,275.28/228,149.82 = 111,633.12/x
  3. Step 3: Cross multiply
    165,275.28x = 228,149.82 × 111,633.12
  4. Step 4: Simplify right side
    165,275.28x = 25,469,076,234.04
  5. Step 5: Solve for x
    x = 25,469,076,234.04/165,275.28
  6. Step 6: Final answer
    x = 154,100.94

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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.