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Finding the Fourth Proportional to 193,124.80, 289,600.80 and 74,756.80

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Solution

The fourth proportional to 193,124.80, 289,600.80 and 74,756.80 is: 112,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,124.80 : 289,600.80 = 74,756.80 : x
  2. Step 2: Convert to fraction form
    193,124.80/289,600.80 = 74,756.80/x
  3. Step 3: Cross multiply
    193,124.80x = 289,600.80 × 74,756.80
  4. Step 4: Simplify right side
    193,124.80x = 21,649,629,085.44
  5. Step 5: Solve for x
    x = 21,649,629,085.44/193,124.80
  6. Step 6: Final answer
    x = 112,101.76

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