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Finding the Fourth Proportional to 167,890.29, 231,687.84 and 91,413.72

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Solution

The fourth proportional to 167,890.29, 231,687.84 and 91,413.72 is: 126,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,890.29 : 231,687.84 = 91,413.72 : x
  2. Step 2: Convert to fraction form
    167,890.29/231,687.84 = 91,413.72/x
  3. Step 3: Cross multiply
    167,890.29x = 231,687.84 × 91,413.72
  4. Step 4: Simplify right side
    167,890.29x = 21,179,447,333.16
  5. Step 5: Solve for x
    x = 21,179,447,333.16/167,890.29
  6. Step 6: Final answer
    x = 126,150.52

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