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Finding the Fourth Proportional to 131,162.70, 197,181.45 and 111,917.10

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Solution

The fourth proportional to 131,162.70, 197,181.45 and 111,917.10 is: 168,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,162.70 : 197,181.45 = 111,917.10 : x
  2. Step 2: Convert to fraction form
    131,162.70/197,181.45 = 111,917.10/x
  3. Step 3: Cross multiply
    131,162.70x = 197,181.45 × 111,917.10
  4. Step 4: Simplify right side
    131,162.70x = 22,067,976,057.80
  5. Step 5: Solve for x
    x = 22,067,976,057.80/131,162.70
  6. Step 6: Final answer
    x = 168,248.87

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