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Finding the Fourth Proportional to 111,707.36, 167,680.40 and 45,190.96

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Solution

The fourth proportional to 111,707.36, 167,680.40 and 45,190.96 is: 67,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707.36 : 167,680.40 = 45,190.96 : x
  2. Step 2: Convert to fraction form
    111,707.36/167,680.40 = 45,190.96/x
  3. Step 3: Cross multiply
    111,707.36x = 167,680.40 × 45,190.96
  4. Step 4: Simplify right side
    111,707.36x = 7,577,638,249.18
  5. Step 5: Solve for x
    x = 7,577,638,249.18/111,707.36
  6. Step 6: Final answer
    x = 67,834.73

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