Home / 110,678.32-166,016.94-51,481.36

Finding the Fourth Proportional to 110,678.32, 166,016.94 and 51,481.36

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Solution

The fourth proportional to 110,678.32, 166,016.94 and 51,481.36 is: 77,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,678.32 : 166,016.94 = 51,481.36 : x
  2. Step 2: Convert to fraction form
    110,678.32/166,016.94 = 51,481.36/x
  3. Step 3: Cross multiply
    110,678.32x = 166,016.94 × 51,481.36
  4. Step 4: Simplify right side
    110,678.32x = 8,546,777,854.24
  5. Step 5: Solve for x
    x = 8,546,777,854.24/110,678.32
  6. Step 6: Final answer
    x = 77,221.79

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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.