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Finding the Fourth Proportional to 133,157.80, 199,850.10 and 54,328.60

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Solution

The fourth proportional to 133,157.80, 199,850.10 and 54,328.60 is: 81,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,157.80 : 199,850.10 = 54,328.60 : x
  2. Step 2: Convert to fraction form
    133,157.80/199,850.10 = 54,328.60/x
  3. Step 3: Cross multiply
    133,157.80x = 199,850.10 × 54,328.60
  4. Step 4: Simplify right side
    133,157.80x = 10,857,576,142.86
  5. Step 5: Solve for x
    x = 10,857,576,142.86/133,157.80
  6. Step 6: Final answer
    x = 81,539.17

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