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Finding the Fourth Proportional to 239,043.84, 358,343.01 and 81,164.31

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Solution

The fourth proportional to 239,043.84, 358,343.01 and 81,164.31 is: 121,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,043.84 : 358,343.01 = 81,164.31 : x
  2. Step 2: Convert to fraction form
    239,043.84/358,343.01 = 81,164.31/x
  3. Step 3: Cross multiply
    239,043.84x = 358,343.01 × 81,164.31
  4. Step 4: Simplify right side
    239,043.84x = 29,084,663,149.97
  5. Step 5: Solve for x
    x = 29,084,663,149.97/239,043.84
  6. Step 6: Final answer
    x = 121,670.83

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