Home / 218,917.14-327,783.45-113,514.54

Finding the Fourth Proportional to 218,917.14, 327,783.45 and 113,514.54

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Solution

The fourth proportional to 218,917.14, 327,783.45 and 113,514.54 is: 169,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,917.14 : 327,783.45 = 113,514.54 : x
  2. Step 2: Convert to fraction form
    218,917.14/327,783.45 = 113,514.54/x
  3. Step 3: Cross multiply
    218,917.14x = 327,783.45 × 113,514.54
  4. Step 4: Simplify right side
    218,917.14x = 37,208,187,546.36
  5. Step 5: Solve for x
    x = 37,208,187,546.36/218,917.14
  6. Step 6: Final answer
    x = 169,964.71

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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.