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Finding the Fourth Proportional to 116,921.64, 175,408.44 and 54,558.12

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Solution

The fourth proportional to 116,921.64, 175,408.44 and 54,558.12 is: 81,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,921.64 : 175,408.44 = 54,558.12 : x
  2. Step 2: Convert to fraction form
    116,921.64/175,408.44 = 54,558.12/x
  3. Step 3: Cross multiply
    116,921.64x = 175,408.44 × 54,558.12
  4. Step 4: Simplify right side
    116,921.64x = 9,569,954,718.53
  5. Step 5: Solve for x
    x = 9,569,954,718.53/116,921.64
  6. Step 6: Final answer
    x = 81,849.30

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