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Finding the Fourth Proportional to 133,745.18, 200,199.38 and 86,296.80

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Solution

The fourth proportional to 133,745.18, 200,199.38 and 86,296.80 is: 129,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,745.18 : 200,199.38 = 86,296.80 : x
  2. Step 2: Convert to fraction form
    133,745.18/200,199.38 = 86,296.80/x
  3. Step 3: Cross multiply
    133,745.18x = 200,199.38 × 86,296.80
  4. Step 4: Simplify right side
    133,745.18x = 17,276,565,855.98
  5. Step 5: Solve for x
    x = 17,276,565,855.98/133,745.18
  6. Step 6: Final answer
    x = 129,175.24

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