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Finding the Fourth Proportional to 111,292.32, 166,715.88 and 66,894.96

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Solution

The fourth proportional to 111,292.32, 166,715.88 and 66,894.96 is: 100,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,292.32 : 166,715.88 = 66,894.96 : x
  2. Step 2: Convert to fraction form
    111,292.32/166,715.88 = 66,894.96/x
  3. Step 3: Cross multiply
    111,292.32x = 166,715.88 × 66,894.96
  4. Step 4: Simplify right side
    111,292.32x = 11,152,452,123.96
  5. Step 5: Solve for x
    x = 11,152,452,123.96/111,292.32
  6. Step 6: Final answer
    x = 100,208.64

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