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Finding the Fourth Proportional to 109,363.60, 164,045.40 and 54,067.60

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Solution

The fourth proportional to 109,363.60, 164,045.40 and 54,067.60 is: 81,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363.60 : 164,045.40 = 54,067.60 : x
  2. Step 2: Convert to fraction form
    109,363.60/164,045.40 = 54,067.60/x
  3. Step 3: Cross multiply
    109,363.60x = 164,045.40 × 54,067.60
  4. Step 4: Simplify right side
    109,363.60x = 8,869,541,069.04
  5. Step 5: Solve for x
    x = 8,869,541,069.04/109,363.60
  6. Step 6: Final answer
    x = 81,101.40

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