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Finding the Fourth Proportional to 104.02, 156.03 and 88.71

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Solution

The fourth proportional to 104.02, 156.03 and 88.71 is: 133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.02 : 156.03 = 88.71 : x
  2. Step 2: Convert to fraction form
    104.02/156.03 = 88.71/x
  3. Step 3: Cross multiply
    104.02x = 156.03 × 88.71
  4. Step 4: Simplify right side
    104.02x = 13,841.42
  5. Step 5: Solve for x
    x = 13,841.42/104.02
  6. Step 6: Final answer
    x = 133.07

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