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Finding the Fourth Proportional to 95,310.60, 143,189.32 and 89,924.72

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Solution

The fourth proportional to 95,310.60, 143,189.32 and 89,924.72 is: 135,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,310.60 : 143,189.32 = 89,924.72 : x
  2. Step 2: Convert to fraction form
    95,310.60/143,189.32 = 89,924.72/x
  3. Step 3: Cross multiply
    95,310.60x = 143,189.32 × 89,924.72
  4. Step 4: Simplify right side
    95,310.60x = 12,876,259,507.99
  5. Step 5: Solve for x
    x = 12,876,259,507.99/95,310.60
  6. Step 6: Final answer
    x = 135,097.87

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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.