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Finding the Fourth Proportional to 111,885.70, 167,828.55 and 64,581.70

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Solution

The fourth proportional to 111,885.70, 167,828.55 and 64,581.70 is: 96,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,885.70 : 167,828.55 = 64,581.70 : x
  2. Step 2: Convert to fraction form
    111,885.70/167,828.55 = 64,581.70/x
  3. Step 3: Cross multiply
    111,885.70x = 167,828.55 × 64,581.70
  4. Step 4: Simplify right side
    111,885.70x = 10,838,653,067.54
  5. Step 5: Solve for x
    x = 10,838,653,067.54/111,885.70
  6. Step 6: Final answer
    x = 96,872.55

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