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Finding the Fourth Proportional to 193,166.80, 289,519.80 and 80,846.80

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Solution

The fourth proportional to 193,166.80, 289,519.80 and 80,846.80 is: 121,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,166.80 : 289,519.80 = 80,846.80 : x
  2. Step 2: Convert to fraction form
    193,166.80/289,519.80 = 80,846.80/x
  3. Step 3: Cross multiply
    193,166.80x = 289,519.80 × 80,846.80
  4. Step 4: Simplify right side
    193,166.80x = 23,406,749,366.64
  5. Step 5: Solve for x
    x = 23,406,749,366.64/193,166.80
  6. Step 6: Final answer
    x = 121,173.77

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