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Finding the Fourth Proportional to 109,042.70, 163,612.65 and 49,847.90

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Solution

The fourth proportional to 109,042.70, 163,612.65 and 49,847.90 is: 74,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042.70 : 163,612.65 = 49,847.90 : x
  2. Step 2: Convert to fraction form
    109,042.70/163,612.65 = 49,847.90/x
  3. Step 3: Cross multiply
    109,042.70x = 163,612.65 × 49,847.90
  4. Step 4: Simplify right side
    109,042.70x = 8,155,747,015.94
  5. Step 5: Solve for x
    x = 8,155,747,015.94/109,042.70
  6. Step 6: Final answer
    x = 74,794.07

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