Home / 140,919.23-194,470.11-80,497.95

Finding the Fourth Proportional to 140,919.23, 194,470.11 and 80,497.95

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Solution

The fourth proportional to 140,919.23, 194,470.11 and 80,497.95 is: 111,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,919.23 : 194,470.11 = 80,497.95 : x
  2. Step 2: Convert to fraction form
    140,919.23/194,470.11 = 80,497.95/x
  3. Step 3: Cross multiply
    140,919.23x = 194,470.11 × 80,497.95
  4. Step 4: Simplify right side
    140,919.23x = 15,654,445,191.27
  5. Step 5: Solve for x
    x = 15,654,445,191.27/140,919.23
  6. Step 6: Final answer
    x = 111,088.07

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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.