Home / 140,974.84-194,517.03-80,565.31

Finding the Fourth Proportional to 140,974.84, 194,517.03 and 80,565.31

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Solution

The fourth proportional to 140,974.84, 194,517.03 and 80,565.31 is: 111,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,974.84 : 194,517.03 = 80,565.31 : x
  2. Step 2: Convert to fraction form
    140,974.84/194,517.03 = 80,565.31/x
  3. Step 3: Cross multiply
    140,974.84x = 194,517.03 × 80,565.31
  4. Step 4: Simplify right side
    140,974.84x = 15,671,324,822.23
  5. Step 5: Solve for x
    x = 15,671,324,822.23/140,974.84
  6. Step 6: Final answer
    x = 111,163.98

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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.