Home / 141,319.41-195,020.19-80,889.75

Finding the Fourth Proportional to 141,319.41, 195,020.19 and 80,889.75

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Solution

The fourth proportional to 141,319.41, 195,020.19 and 80,889.75 is: 111,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,319.41 : 195,020.19 = 80,889.75 : x
  2. Step 2: Convert to fraction form
    141,319.41/195,020.19 = 80,889.75/x
  3. Step 3: Cross multiply
    141,319.41x = 195,020.19 × 80,889.75
  4. Step 4: Simplify right side
    141,319.41x = 15,775,134,414.05
  5. Step 5: Solve for x
    x = 15,775,134,414.05/141,319.41
  6. Step 6: Final answer
    x = 111,627.51

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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.