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Finding the Fourth Proportional to 207,329.60, 311,032.80 and 67,092.80

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Solution

The fourth proportional to 207,329.60, 311,032.80 and 67,092.80 is: 100,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,329.60 : 311,032.80 = 67,092.80 : x
  2. Step 2: Convert to fraction form
    207,329.60/311,032.80 = 67,092.80/x
  3. Step 3: Cross multiply
    207,329.60x = 311,032.80 × 67,092.80
  4. Step 4: Simplify right side
    207,329.60x = 20,868,061,443.84
  5. Step 5: Solve for x
    x = 20,868,061,443.84/207,329.60
  6. Step 6: Final answer
    x = 100,651.63

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