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Finding the Fourth Proportional to 166.07, 229.23 and 100.58

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Solution

The fourth proportional to 166.07, 229.23 and 100.58 is: 138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.07 : 229.23 = 100.58 : x
  2. Step 2: Convert to fraction form
    166.07/229.23 = 100.58/x
  3. Step 3: Cross multiply
    166.07x = 229.23 × 100.58
  4. Step 4: Simplify right side
    166.07x = 23,054.81
  5. Step 5: Solve for x
    x = 23,054.81/166.07
  6. Step 6: Final answer
    x = 138.83

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