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Finding the Fourth Proportional to 159,096.48, 219,558.78 and 87,481.98

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Solution

The fourth proportional to 159,096.48, 219,558.78 and 87,481.98 is: 120,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,096.48 : 219,558.78 = 87,481.98 : x
  2. Step 2: Convert to fraction form
    159,096.48/219,558.78 = 87,481.98/x
  3. Step 3: Cross multiply
    159,096.48x = 219,558.78 × 87,481.98
  4. Step 4: Simplify right side
    159,096.48x = 19,207,436,800.78
  5. Step 5: Solve for x
    x = 19,207,436,800.78/159,096.48
  6. Step 6: Final answer
    x = 120,728.23

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