Home / 140,708.06-194,187.34-80,280.04

Finding the Fourth Proportional to 140,708.06, 194,187.34 and 80,280.04

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Solution

The fourth proportional to 140,708.06, 194,187.34 and 80,280.04 is: 110,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,708.06 : 194,187.34 = 80,280.04 : x
  2. Step 2: Convert to fraction form
    140,708.06/194,187.34 = 80,280.04/x
  3. Step 3: Cross multiply
    140,708.06x = 194,187.34 × 80,280.04
  4. Step 4: Simplify right side
    140,708.06x = 15,589,367,422.69
  5. Step 5: Solve for x
    x = 15,589,367,422.69/140,708.06
  6. Step 6: Final answer
    x = 110,792.28

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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.