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Finding the Fourth Proportional to 109,042.60, 163,636.80 and 49,847.80

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Solution

The fourth proportional to 109,042.60, 163,636.80 and 49,847.80 is: 74,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042.60 : 163,636.80 = 49,847.80 : x
  2. Step 2: Convert to fraction form
    109,042.60/163,636.80 = 49,847.80/x
  3. Step 3: Cross multiply
    109,042.60x = 163,636.80 × 49,847.80
  4. Step 4: Simplify right side
    109,042.60x = 8,156,934,479.04
  5. Step 5: Solve for x
    x = 8,156,934,479.04/109,042.60
  6. Step 6: Final answer
    x = 74,805.03

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