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Finding the Fourth Proportional to 206,834.70, 310,281.20 and 73,686.48

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Solution

The fourth proportional to 206,834.70, 310,281.20 and 73,686.48 is: 110,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,834.70 : 310,281.20 = 73,686.48 : x
  2. Step 2: Convert to fraction form
    206,834.70/310,281.20 = 73,686.48/x
  3. Step 3: Cross multiply
    206,834.70x = 310,281.20 × 73,686.48
  4. Step 4: Simplify right side
    206,834.70x = 22,863,529,438.18
  5. Step 5: Solve for x
    x = 22,863,529,438.18/206,834.70
  6. Step 6: Final answer
    x = 110,540.10

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