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Finding the Fourth Proportional to 111,566.80, 167,123.40 and 69,317.20

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Solution

The fourth proportional to 111,566.80, 167,123.40 and 69,317.20 is: 103,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,566.80 : 167,123.40 = 69,317.20 : x
  2. Step 2: Convert to fraction form
    111,566.80/167,123.40 = 69,317.20/x
  3. Step 3: Cross multiply
    111,566.80x = 167,123.40 × 69,317.20
  4. Step 4: Simplify right side
    111,566.80x = 11,584,526,142.48
  5. Step 5: Solve for x
    x = 11,584,526,142.48/111,566.80
  6. Step 6: Final answer
    x = 103,834.89

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