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Finding the Fourth Proportional to 192,153.80, 287,841.90 and 133,056.20

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Solution

The fourth proportional to 192,153.80, 287,841.90 and 133,056.20 is: 199,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,153.80 : 287,841.90 = 133,056.20 : x
  2. Step 2: Convert to fraction form
    192,153.80/287,841.90 = 133,056.20/x
  3. Step 3: Cross multiply
    192,153.80x = 287,841.90 × 133,056.20
  4. Step 4: Simplify right side
    192,153.80x = 38,299,149,414.78
  5. Step 5: Solve for x
    x = 38,299,149,414.78/192,153.80
  6. Step 6: Final answer
    x = 199,315.08

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