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Finding the Fourth Proportional to 167,981.60, 251,626.80 and 84,922.40

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Solution

The fourth proportional to 167,981.60, 251,626.80 and 84,922.40 is: 127,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.60 : 251,626.80 = 84,922.40 : x
  2. Step 2: Convert to fraction form
    167,981.60/251,626.80 = 84,922.40/x
  3. Step 3: Cross multiply
    167,981.60x = 251,626.80 × 84,922.40
  4. Step 4: Simplify right side
    167,981.60x = 21,368,751,760.32
  5. Step 5: Solve for x
    x = 21,368,751,760.32/167,981.60
  6. Step 6: Final answer
    x = 127,208.88

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