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Finding the Fourth Proportional to 100.02, 150.15 and 51.96

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Solution

The fourth proportional to 100.02, 150.15 and 51.96 is: 78.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.02 : 150.15 = 51.96 : x
  2. Step 2: Convert to fraction form
    100.02/150.15 = 51.96/x
  3. Step 3: Cross multiply
    100.02x = 150.15 × 51.96
  4. Step 4: Simplify right side
    100.02x = 7,801.79
  5. Step 5: Solve for x
    x = 7,801.79/100.02
  6. Step 6: Final answer
    x = 78.00

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