Home / 140,979.83-194,562.45-80,549.18

Finding the Fourth Proportional to 140,979.83, 194,562.45 and 80,549.18

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Solution

The fourth proportional to 140,979.83, 194,562.45 and 80,549.18 is: 111,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,979.83 : 194,562.45 = 80,549.18 : x
  2. Step 2: Convert to fraction form
    140,979.83/194,562.45 = 80,549.18/x
  3. Step 3: Cross multiply
    140,979.83x = 194,562.45 × 80,549.18
  4. Step 4: Simplify right side
    140,979.83x = 15,671,844,833.48
  5. Step 5: Solve for x
    x = 15,671,844,833.48/140,979.83
  6. Step 6: Final answer
    x = 111,163.74

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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.