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Finding the Fourth Proportional to 95,958.80, 143,938.20 and 29,398.40

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Solution

The fourth proportional to 95,958.80, 143,938.20 and 29,398.40 is: 44,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,958.80 : 143,938.20 = 29,398.40 : x
  2. Step 2: Convert to fraction form
    95,958.80/143,938.20 = 29,398.40/x
  3. Step 3: Cross multiply
    95,958.80x = 143,938.20 × 29,398.40
  4. Step 4: Simplify right side
    95,958.80x = 4,231,552,778.88
  5. Step 5: Solve for x
    x = 4,231,552,778.88/95,958.80
  6. Step 6: Final answer
    x = 44,097.60

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Similar ratio
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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.