Home / 131,446.70-196,910.85-75,977.90

Finding the Fourth Proportional to 131,446.70, 196,910.85 and 75,977.90

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Solution

The fourth proportional to 131,446.70, 196,910.85 and 75,977.90 is: 113,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.70 : 196,910.85 = 75,977.90 : x
  2. Step 2: Convert to fraction form
    131,446.70/196,910.85 = 75,977.90/x
  3. Step 3: Cross multiply
    131,446.70x = 196,910.85 × 75,977.90
  4. Step 4: Simplify right side
    131,446.70x = 14,960,872,870.22
  5. Step 5: Solve for x
    x = 14,960,872,870.22/131,446.70
  6. Step 6: Final answer
    x = 113,817.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.