Home / 95,477.21-131,743.89-55,183.15

Finding the Fourth Proportional to 95,477.21, 131,743.89 and 55,183.15

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Solution

The fourth proportional to 95,477.21, 131,743.89 and 55,183.15 is: 76,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,477.21 : 131,743.89 = 55,183.15 : x
  2. Step 2: Convert to fraction form
    95,477.21/131,743.89 = 55,183.15/x
  3. Step 3: Cross multiply
    95,477.21x = 131,743.89 × 55,183.15
  4. Step 4: Simplify right side
    95,477.21x = 7,270,042,514.09
  5. Step 5: Solve for x
    x = 7,270,042,514.09/95,477.21
  6. Step 6: Final answer
    x = 76,144.27

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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.