Home / 140,910.98-194,464.60-77,251.46

Finding the Fourth Proportional to 140,910.98, 194,464.60 and 77,251.46

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Solution

The fourth proportional to 140,910.98, 194,464.60 and 77,251.46 is: 106,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910.98 : 194,464.60 = 77,251.46 : x
  2. Step 2: Convert to fraction form
    140,910.98/194,464.60 = 77,251.46/x
  3. Step 3: Cross multiply
    140,910.98x = 194,464.60 × 77,251.46
  4. Step 4: Simplify right side
    140,910.98x = 15,022,673,102.86
  5. Step 5: Solve for x
    x = 15,022,673,102.86/140,910.98
  6. Step 6: Final answer
    x = 106,611.09

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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.