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Finding the Fourth Proportional to 95,249.96, 142,845.76 and 65,856.68

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Solution

The fourth proportional to 95,249.96, 142,845.76 and 65,856.68 is: 98,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,249.96 : 142,845.76 = 65,856.68 : x
  2. Step 2: Convert to fraction form
    95,249.96/142,845.76 = 65,856.68/x
  3. Step 3: Cross multiply
    95,249.96x = 142,845.76 × 65,856.68
  4. Step 4: Simplify right side
    95,249.96x = 9,407,347,505.68
  5. Step 5: Solve for x
    x = 9,407,347,505.68/95,249.96
  6. Step 6: Final answer
    x = 98,764.84

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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.