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Finding the Fourth Proportional to 111,814.20, 167,429.70 and 106,565.40

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Solution

The fourth proportional to 111,814.20, 167,429.70 and 106,565.40 is: 159,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,814.20 : 167,429.70 = 106,565.40 : x
  2. Step 2: Convert to fraction form
    111,814.20/167,429.70 = 106,565.40/x
  3. Step 3: Cross multiply
    111,814.20x = 167,429.70 × 106,565.40
  4. Step 4: Simplify right side
    111,814.20x = 17,842,212,952.38
  5. Step 5: Solve for x
    x = 17,842,212,952.38/111,814.20
  6. Step 6: Final answer
    x = 159,570.19

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