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Finding the Fourth Proportional to 110,423.20, 165,634.80 and 73,098.40

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Solution

The fourth proportional to 110,423.20, 165,634.80 and 73,098.40 is: 109,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,423.20 : 165,634.80 = 73,098.40 : x
  2. Step 2: Convert to fraction form
    110,423.20/165,634.80 = 73,098.40/x
  3. Step 3: Cross multiply
    110,423.20x = 165,634.80 × 73,098.40
  4. Step 4: Simplify right side
    110,423.20x = 12,107,638,864.32
  5. Step 5: Solve for x
    x = 12,107,638,864.32/110,423.20
  6. Step 6: Final answer
    x = 109,647.60

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