Home / 83,434.44-125,150.52-20,255.05

Finding the Fourth Proportional to 83,434.44, 125,150.52 and 20,255.05

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Solution

The fourth proportional to 83,434.44, 125,150.52 and 20,255.05 is: 30,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,434.44 : 125,150.52 = 20,255.05 : x
  2. Step 2: Convert to fraction form
    83,434.44/125,150.52 = 20,255.05/x
  3. Step 3: Cross multiply
    83,434.44x = 125,150.52 × 20,255.05
  4. Step 4: Simplify right side
    83,434.44x = 2,534,929,414.37
  5. Step 5: Solve for x
    x = 2,534,929,414.37/83,434.44
  6. Step 6: Final answer
    x = 30,382.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.