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Finding the Fourth Proportional to 133,083.10, 199,624.65 and 120,835.90

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Solution

The fourth proportional to 133,083.10, 199,624.65 and 120,835.90 is: 181,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,083.10 : 199,624.65 = 120,835.90 : x
  2. Step 2: Convert to fraction form
    133,083.10/199,624.65 = 120,835.90/x
  3. Step 3: Cross multiply
    133,083.10x = 199,624.65 × 120,835.90
  4. Step 4: Simplify right side
    133,083.10x = 24,121,824,244.94
  5. Step 5: Solve for x
    x = 24,121,824,244.94/133,083.10
  6. Step 6: Final answer
    x = 181,253.85

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