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Finding the Fourth Proportional to 99,043.99, 148,548.75 and 45,731.44

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Solution

The fourth proportional to 99,043.99, 148,548.75 and 45,731.44 is: 68,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043.99 : 148,548.75 = 45,731.44 : x
  2. Step 2: Convert to fraction form
    99,043.99/148,548.75 = 45,731.44/x
  3. Step 3: Cross multiply
    99,043.99x = 148,548.75 × 45,731.44
  4. Step 4: Simplify right side
    99,043.99x = 6,793,348,247.70
  5. Step 5: Solve for x
    x = 6,793,348,247.70/99,043.99
  6. Step 6: Final answer
    x = 68,589.20

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