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Finding the Fourth Proportional to 99,945.46, 149,813.69 and 47,292.22

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Solution

The fourth proportional to 99,945.46, 149,813.69 and 47,292.22 is: 70,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,945.46 : 149,813.69 = 47,292.22 : x
  2. Step 2: Convert to fraction form
    99,945.46/149,813.69 = 47,292.22/x
  3. Step 3: Cross multiply
    99,945.46x = 149,813.69 × 47,292.22
  4. Step 4: Simplify right side
    99,945.46x = 7,085,021,237.42
  5. Step 5: Solve for x
    x = 7,085,021,237.42/99,945.46
  6. Step 6: Final answer
    x = 70,888.88

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