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Finding the Fourth Proportional to 105,954.87, 146,220.39 and 58,212.66

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Solution

The fourth proportional to 105,954.87, 146,220.39 and 58,212.66 is: 80,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,954.87 : 146,220.39 = 58,212.66 : x
  2. Step 2: Convert to fraction form
    105,954.87/146,220.39 = 58,212.66/x
  3. Step 3: Cross multiply
    105,954.87x = 146,220.39 × 58,212.66
  4. Step 4: Simplify right side
    105,954.87x = 8,511,877,848.14
  5. Step 5: Solve for x
    x = 8,511,877,848.14/105,954.87
  6. Step 6: Final answer
    x = 80,334.94

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