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Finding the Fourth Proportional to 106,029.36, 146,184.07 and 86,838.43

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Solution

The fourth proportional to 106,029.36, 146,184.07 and 86,838.43 is: 119,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,029.36 : 146,184.07 = 86,838.43 : x
  2. Step 2: Convert to fraction form
    106,029.36/146,184.07 = 86,838.43/x
  3. Step 3: Cross multiply
    106,029.36x = 146,184.07 × 86,838.43
  4. Step 4: Simplify right side
    106,029.36x = 12,694,395,129.81
  5. Step 5: Solve for x
    x = 12,694,395,129.81/106,029.36
  6. Step 6: Final answer
    x = 119,725.28

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