Home / 247,943.28-342,171.92-140,512.16

Finding the Fourth Proportional to 247,943.28, 342,171.92 and 140,512.16

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Solution

The fourth proportional to 247,943.28, 342,171.92 and 140,512.16 is: 193,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,943.28 : 342,171.92 = 140,512.16 : x
  2. Step 2: Convert to fraction form
    247,943.28/342,171.92 = 140,512.16/x
  3. Step 3: Cross multiply
    247,943.28x = 342,171.92 × 140,512.16
  4. Step 4: Simplify right side
    247,943.28x = 48,079,315,570.55
  5. Step 5: Solve for x
    x = 48,079,315,570.55/247,943.28
  6. Step 6: Final answer
    x = 193,912.56

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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.