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Finding the Fourth Proportional to 95,794.80, 143,620.56 and 66,127.92

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Solution

The fourth proportional to 95,794.80, 143,620.56 and 66,127.92 is: 99,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,794.80 : 143,620.56 = 66,127.92 : x
  2. Step 2: Convert to fraction form
    95,794.80/143,620.56 = 66,127.92/x
  3. Step 3: Cross multiply
    95,794.80x = 143,620.56 × 66,127.92
  4. Step 4: Simplify right side
    95,794.80x = 9,497,328,902.04
  5. Step 5: Solve for x
    x = 9,497,328,902.04/95,794.80
  6. Step 6: Final answer
    x = 99,142.43

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1.5x scale

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.