Home / 140,871.30-194,422.33-87,173.62

Finding the Fourth Proportional to 140,871.30, 194,422.33 and 87,173.62

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Solution

The fourth proportional to 140,871.30, 194,422.33 and 87,173.62 is: 120,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,871.30 : 194,422.33 = 87,173.62 : x
  2. Step 2: Convert to fraction form
    140,871.30/194,422.33 = 87,173.62/x
  3. Step 3: Cross multiply
    140,871.30x = 194,422.33 × 87,173.62
  4. Step 4: Simplify right side
    140,871.30x = 16,948,497,447.49
  5. Step 5: Solve for x
    x = 16,948,497,447.49/140,871.30
  6. Step 6: Final answer
    x = 120,311.92

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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.