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Finding the Fourth Proportional to 272,667.78, 408,810.96 and 120,790.89

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Solution

The fourth proportional to 272,667.78, 408,810.96 and 120,790.89 is: 181,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,667.78 : 408,810.96 = 120,790.89 : x
  2. Step 2: Convert to fraction form
    272,667.78/408,810.96 = 120,790.89/x
  3. Step 3: Cross multiply
    272,667.78x = 408,810.96 × 120,790.89
  4. Step 4: Simplify right side
    272,667.78x = 49,380,639,700.15
  5. Step 5: Solve for x
    x = 49,380,639,700.15/272,667.78
  6. Step 6: Final answer
    x = 181,101.85

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