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Finding the Fourth Proportional to 109,936.60, 164,904.90 and 43,354.60

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Solution

The fourth proportional to 109,936.60, 164,904.90 and 43,354.60 is: 65,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,936.60 : 164,904.90 = 43,354.60 : x
  2. Step 2: Convert to fraction form
    109,936.60/164,904.90 = 43,354.60/x
  3. Step 3: Cross multiply
    109,936.60x = 164,904.90 × 43,354.60
  4. Step 4: Simplify right side
    109,936.60x = 7,149,385,977.54
  5. Step 5: Solve for x
    x = 7,149,385,977.54/109,936.60
  6. Step 6: Final answer
    x = 65,031.90

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