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Finding the Fourth Proportional to 111,927.80, 167,745.90 and 45,313.40

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Solution

The fourth proportional to 111,927.80, 167,745.90 and 45,313.40 is: 67,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,927.80 : 167,745.90 = 45,313.40 : x
  2. Step 2: Convert to fraction form
    111,927.80/167,745.90 = 45,313.40/x
  3. Step 3: Cross multiply
    111,927.80x = 167,745.90 × 45,313.40
  4. Step 4: Simplify right side
    111,927.80x = 7,601,137,065.06
  5. Step 5: Solve for x
    x = 7,601,137,065.06/111,927.80
  6. Step 6: Final answer
    x = 67,911.07

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