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Finding the Fourth Proportional to 97,902.75, 146,704.59 and 72,821.49

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Solution

The fourth proportional to 97,902.75, 146,704.59 and 72,821.49 is: 109,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,902.75 : 146,704.59 = 72,821.49 : x
  2. Step 2: Convert to fraction form
    97,902.75/146,704.59 = 72,821.49/x
  3. Step 3: Cross multiply
    97,902.75x = 146,704.59 × 72,821.49
  4. Step 4: Simplify right side
    97,902.75x = 10,683,246,833.64
  5. Step 5: Solve for x
    x = 10,683,246,833.64/97,902.75
  6. Step 6: Final answer
    x = 109,121.01

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