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Finding the Fourth Proportional to 166.02, 228.95 and 103.85

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Solution

The fourth proportional to 166.02, 228.95 and 103.85 is: 143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.02 : 228.95 = 103.85 : x
  2. Step 2: Convert to fraction form
    166.02/228.95 = 103.85/x
  3. Step 3: Cross multiply
    166.02x = 228.95 × 103.85
  4. Step 4: Simplify right side
    166.02x = 23,776.77
  5. Step 5: Solve for x
    x = 23,776.77/166.02
  6. Step 6: Final answer
    x = 143.22

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