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Finding the Fourth Proportional to 109,141.20, 163,711.80 and 56,566.80

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Solution

The fourth proportional to 109,141.20, 163,711.80 and 56,566.80 is: 84,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,141.20 : 163,711.80 = 56,566.80 : x
  2. Step 2: Convert to fraction form
    109,141.20/163,711.80 = 56,566.80/x
  3. Step 3: Cross multiply
    109,141.20x = 163,711.80 × 56,566.80
  4. Step 4: Simplify right side
    109,141.20x = 9,260,652,648.24
  5. Step 5: Solve for x
    x = 9,260,652,648.24/109,141.20
  6. Step 6: Final answer
    x = 84,850.20

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