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Finding the Fourth Proportional to 159,365.34, 239,048.28 and 54,192.78

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Solution

The fourth proportional to 159,365.34, 239,048.28 and 54,192.78 is: 81,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,365.34 : 239,048.28 = 54,192.78 : x
  2. Step 2: Convert to fraction form
    159,365.34/239,048.28 = 54,192.78/x
  3. Step 3: Cross multiply
    159,365.34x = 239,048.28 × 54,192.78
  4. Step 4: Simplify right side
    159,365.34x = 12,954,690,847.42
  5. Step 5: Solve for x
    x = 12,954,690,847.42/159,365.34
  6. Step 6: Final answer
    x = 81,289.26

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