Home / 140,751.52-194,233.38-80,321.08

Finding the Fourth Proportional to 140,751.52, 194,233.38 and 80,321.08

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Solution

The fourth proportional to 140,751.52, 194,233.38 and 80,321.08 is: 110,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,751.52 : 194,233.38 = 80,321.08 : x
  2. Step 2: Convert to fraction form
    140,751.52/194,233.38 = 80,321.08/x
  3. Step 3: Cross multiply
    140,751.52x = 194,233.38 × 80,321.08
  4. Step 4: Simplify right side
    140,751.52x = 15,601,034,853.65
  5. Step 5: Solve for x
    x = 15,601,034,853.65/140,751.52
  6. Step 6: Final answer
    x = 110,840.97

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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.