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Finding the Fourth Proportional to 105,908.31, 146,154.51 and 58,162.68

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Solution

The fourth proportional to 105,908.31, 146,154.51 and 58,162.68 is: 80,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,908.31 : 146,154.51 = 58,162.68 : x
  2. Step 2: Convert to fraction form
    105,908.31/146,154.51 = 58,162.68/x
  3. Step 3: Cross multiply
    105,908.31x = 146,154.51 × 58,162.68
  4. Step 4: Simplify right side
    105,908.31x = 8,500,737,995.69
  5. Step 5: Solve for x
    x = 8,500,737,995.69/105,908.31
  6. Step 6: Final answer
    x = 80,265.07

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