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Finding the Fourth Proportional to 159,844.78, 220,582.42 and 87,245.26

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Solution

The fourth proportional to 159,844.78, 220,582.42 and 87,245.26 is: 120,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,844.78 : 220,582.42 = 87,245.26 : x
  2. Step 2: Convert to fraction form
    159,844.78/220,582.42 = 87,245.26/x
  3. Step 3: Cross multiply
    159,844.78x = 220,582.42 × 87,245.26
  4. Step 4: Simplify right side
    159,844.78x = 19,244,771,055.54
  5. Step 5: Solve for x
    x = 19,244,771,055.54/159,844.78
  6. Step 6: Final answer
    x = 120,396.62

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