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Finding the Fourth Proportional to 133,897.12, 200,451.20 and 117,289.60

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Solution

The fourth proportional to 133,897.12, 200,451.20 and 117,289.60 is: 175,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,897.12 : 200,451.20 = 117,289.60 : x
  2. Step 2: Convert to fraction form
    133,897.12/200,451.20 = 117,289.60/x
  3. Step 3: Cross multiply
    133,897.12x = 200,451.20 × 117,289.60
  4. Step 4: Simplify right side
    133,897.12x = 23,510,841,067.52
  5. Step 5: Solve for x
    x = 23,510,841,067.52/133,897.12
  6. Step 6: Final answer
    x = 175,588.85

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