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Finding the Fourth Proportional to 109,551.60, 164,327.40 and 54,255.60

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Solution

The fourth proportional to 109,551.60, 164,327.40 and 54,255.60 is: 81,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,551.60 : 164,327.40 = 54,255.60 : x
  2. Step 2: Convert to fraction form
    109,551.60/164,327.40 = 54,255.60/x
  3. Step 3: Cross multiply
    109,551.60x = 164,327.40 × 54,255.60
  4. Step 4: Simplify right side
    109,551.60x = 8,915,681,683.44
  5. Step 5: Solve for x
    x = 8,915,681,683.44/109,551.60
  6. Step 6: Final answer
    x = 81,383.40

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