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Finding the Fourth Proportional to 99,105.80, 148,658.70 and 92,496.20

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Solution

The fourth proportional to 99,105.80, 148,658.70 and 92,496.20 is: 138,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,105.80 : 148,658.70 = 92,496.20 : x
  2. Step 2: Convert to fraction form
    99,105.80/148,658.70 = 92,496.20/x
  3. Step 3: Cross multiply
    99,105.80x = 148,658.70 × 92,496.20
  4. Step 4: Simplify right side
    99,105.80x = 13,750,364,846.94
  5. Step 5: Solve for x
    x = 13,750,364,846.94/99,105.80
  6. Step 6: Final answer
    x = 138,744.30

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