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Finding the Fourth Proportional to 171,708.15, 236,949.03 and 95,221.27

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Solution

The fourth proportional to 171,708.15, 236,949.03 and 95,221.27 is: 131,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,708.15 : 236,949.03 = 95,221.27 : x
  2. Step 2: Convert to fraction form
    171,708.15/236,949.03 = 95,221.27/x
  3. Step 3: Cross multiply
    171,708.15x = 236,949.03 × 95,221.27
  4. Step 4: Simplify right side
    171,708.15x = 22,562,587,858.05
  5. Step 5: Solve for x
    x = 22,562,587,858.05/171,708.15
  6. Step 6: Final answer
    x = 131,400.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.