Home / 140,676.61-194,152.21-80,233.40

Finding the Fourth Proportional to 140,676.61, 194,152.21 and 80,233.40

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Solution

The fourth proportional to 140,676.61, 194,152.21 and 80,233.40 is: 110,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,676.61 : 194,152.21 = 80,233.40 : x
  2. Step 2: Convert to fraction form
    140,676.61/194,152.21 = 80,233.40/x
  3. Step 3: Cross multiply
    140,676.61x = 194,152.21 × 80,233.40
  4. Step 4: Simplify right side
    140,676.61x = 15,577,491,524.65
  5. Step 5: Solve for x
    x = 15,577,491,524.65/140,676.61
  6. Step 6: Final answer
    x = 110,732.63

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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.