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Finding the Fourth Proportional to 81,181.26, 112,022.64 and 45,366.30

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Solution

The fourth proportional to 81,181.26, 112,022.64 and 45,366.30 is: 62,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,181.26 : 112,022.64 = 45,366.30 : x
  2. Step 2: Convert to fraction form
    81,181.26/112,022.64 = 45,366.30/x
  3. Step 3: Cross multiply
    81,181.26x = 112,022.64 × 45,366.30
  4. Step 4: Simplify right side
    81,181.26x = 5,082,052,693.03
  5. Step 5: Solve for x
    x = 5,082,052,693.03/81,181.26
  6. Step 6: Final answer
    x = 62,601.30

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