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Finding the Fourth Proportional to 111,323.80, 166,985.70 and 66,927.70

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Solution

The fourth proportional to 111,323.80, 166,985.70 and 66,927.70 is: 100,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,323.80 : 166,985.70 = 66,927.70 : x
  2. Step 2: Convert to fraction form
    111,323.80/166,985.70 = 66,927.70/x
  3. Step 3: Cross multiply
    111,323.80x = 166,985.70 × 66,927.70
  4. Step 4: Simplify right side
    111,323.80x = 11,175,968,833.89
  5. Step 5: Solve for x
    x = 11,175,968,833.89/111,323.80
  6. Step 6: Final answer
    x = 100,391.55

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