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Finding the Fourth Proportional to 111,431.70, 167,147.55 and 104,870.70

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Solution

The fourth proportional to 111,431.70, 167,147.55 and 104,870.70 is: 157,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,431.70 : 167,147.55 = 104,870.70 : x
  2. Step 2: Convert to fraction form
    111,431.70/167,147.55 = 104,870.70/x
  3. Step 3: Cross multiply
    111,431.70x = 167,147.55 × 104,870.70
  4. Step 4: Simplify right side
    111,431.70x = 17,528,880,571.79
  5. Step 5: Solve for x
    x = 17,528,880,571.79/111,431.70
  6. Step 6: Final answer
    x = 157,306.05

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