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Finding the Fourth Proportional to 106,530.12, 159,789.99 and 39,965.06

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Solution

The fourth proportional to 106,530.12, 159,789.99 and 39,965.06 is: 59,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,530.12 : 159,789.99 = 39,965.06 : x
  2. Step 2: Convert to fraction form
    106,530.12/159,789.99 = 39,965.06/x
  3. Step 3: Cross multiply
    106,530.12x = 159,789.99 × 39,965.06
  4. Step 4: Simplify right side
    106,530.12x = 6,386,016,937.22
  5. Step 5: Solve for x
    x = 6,386,016,937.22/106,530.12
  6. Step 6: Final answer
    x = 59,945.65

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