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Finding the Fourth Proportional to 95,900.70, 143,924.49 and 67,760.22

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Solution

The fourth proportional to 95,900.70, 143,924.49 and 67,760.22 is: 101,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,900.70 : 143,924.49 = 67,760.22 : x
  2. Step 2: Convert to fraction form
    95,900.70/143,924.49 = 67,760.22/x
  3. Step 3: Cross multiply
    95,900.70x = 143,924.49 × 67,760.22
  4. Step 4: Simplify right side
    95,900.70x = 9,752,355,105.79
  5. Step 5: Solve for x
    x = 9,752,355,105.79/95,900.70
  6. Step 6: Final answer
    x = 101,692.22

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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.