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Finding the Fourth Proportional to 111,846.73, 154,405.67 and 86,295.69

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Solution

The fourth proportional to 111,846.73, 154,405.67 and 86,295.69 is: 119,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,846.73 : 154,405.67 = 86,295.69 : x
  2. Step 2: Convert to fraction form
    111,846.73/154,405.67 = 86,295.69/x
  3. Step 3: Cross multiply
    111,846.73x = 154,405.67 × 86,295.69
  4. Step 4: Simplify right side
    111,846.73x = 13,324,543,832.56
  5. Step 5: Solve for x
    x = 13,324,543,832.56/111,846.73
  6. Step 6: Final answer
    x = 119,132.17

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