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Finding the Fourth Proportional to 99,102.80, 148,654.20 and 92,493.20

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Solution

The fourth proportional to 99,102.80, 148,654.20 and 92,493.20 is: 138,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,102.80 : 148,654.20 = 92,493.20 : x
  2. Step 2: Convert to fraction form
    99,102.80/148,654.20 = 92,493.20/x
  3. Step 3: Cross multiply
    99,102.80x = 148,654.20 × 92,493.20
  4. Step 4: Simplify right side
    99,102.80x = 13,749,502,651.44
  5. Step 5: Solve for x
    x = 13,749,502,651.44/99,102.80
  6. Step 6: Final answer
    x = 138,739.80

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