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Finding the Fourth Proportional to 159,081.92, 219,533.18 and 87,463.16

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Solution

The fourth proportional to 159,081.92, 219,533.18 and 87,463.16 is: 120,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,081.92 : 219,533.18 = 87,463.16 : x
  2. Step 2: Convert to fraction form
    159,081.92/219,533.18 = 87,463.16/x
  3. Step 3: Cross multiply
    159,081.92x = 219,533.18 × 87,463.16
  4. Step 4: Simplify right side
    159,081.92x = 19,201,065,647.65
  5. Step 5: Solve for x
    x = 19,201,065,647.65/159,081.92
  6. Step 6: Final answer
    x = 120,699.23

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