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Finding the Fourth Proportional to 102,847.98, 154,022.94 and 71,169.24

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Solution

The fourth proportional to 102,847.98, 154,022.94 and 71,169.24 is: 106,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.98 : 154,022.94 = 71,169.24 : x
  2. Step 2: Convert to fraction form
    102,847.98/154,022.94 = 71,169.24/x
  3. Step 3: Cross multiply
    102,847.98x = 154,022.94 × 71,169.24
  4. Step 4: Simplify right side
    102,847.98x = 10,961,695,582.37
  5. Step 5: Solve for x
    x = 10,961,695,582.37/102,847.98
  6. Step 6: Final answer
    x = 106,581.54

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