Home / 165,672.20-228,630.26-90,220.64

Finding the Fourth Proportional to 165,672.20, 228,630.26 and 90,220.64

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Solution

The fourth proportional to 165,672.20, 228,630.26 and 90,220.64 is: 124,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,672.20 : 228,630.26 = 90,220.64 : x
  2. Step 2: Convert to fraction form
    165,672.20/228,630.26 = 90,220.64/x
  3. Step 3: Cross multiply
    165,672.20x = 228,630.26 × 90,220.64
  4. Step 4: Simplify right side
    165,672.20x = 20,627,168,380.57
  5. Step 5: Solve for x
    x = 20,627,168,380.57/165,672.20
  6. Step 6: Final answer
    x = 124,505.91

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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.