Home / 140,648.27-194,099.96-80,228.75

Finding the Fourth Proportional to 140,648.27, 194,099.96 and 80,228.75

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Solution

The fourth proportional to 140,648.27, 194,099.96 and 80,228.75 is: 110,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,648.27 : 194,099.96 = 80,228.75 : x
  2. Step 2: Convert to fraction form
    140,648.27/194,099.96 = 80,228.75/x
  3. Step 3: Cross multiply
    140,648.27x = 194,099.96 × 80,228.75
  4. Step 4: Simplify right side
    140,648.27x = 15,572,396,395.92
  5. Step 5: Solve for x
    x = 15,572,396,395.92/140,648.27
  6. Step 6: Final answer
    x = 110,718.72

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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.