Home / 195,250.40-292,789.20-90,101.60

Finding the Fourth Proportional to 195,250.40, 292,789.20 and 90,101.60

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Solution

The fourth proportional to 195,250.40, 292,789.20 and 90,101.60 is: 135,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,250.40 : 292,789.20 = 90,101.60 : x
  2. Step 2: Convert to fraction form
    195,250.40/292,789.20 = 90,101.60/x
  3. Step 3: Cross multiply
    195,250.40x = 292,789.20 × 90,101.60
  4. Step 4: Simplify right side
    195,250.40x = 26,380,775,382.72
  5. Step 5: Solve for x
    x = 26,380,775,382.72/195,250.40
  6. Step 6: Final answer
    x = 135,112.53

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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.