Home / 140,760.96-194,201.85-80,288.08

Finding the Fourth Proportional to 140,760.96, 194,201.85 and 80,288.08

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Solution

The fourth proportional to 140,760.96, 194,201.85 and 80,288.08 is: 110,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,760.96 : 194,201.85 = 80,288.08 : x
  2. Step 2: Convert to fraction form
    140,760.96/194,201.85 = 80,288.08/x
  3. Step 3: Cross multiply
    140,760.96x = 194,201.85 × 80,288.08
  4. Step 4: Simplify right side
    140,760.96x = 15,592,093,484.52
  5. Step 5: Solve for x
    x = 15,592,093,484.52/140,760.96
  6. Step 6: Final answer
    x = 110,770.02

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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.