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Finding the Fourth Proportional to 193,065.45, 289,598.37 and 80,684.16

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Solution

The fourth proportional to 193,065.45, 289,598.37 and 80,684.16 is: 121,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,065.45 : 289,598.37 = 80,684.16 : x
  2. Step 2: Convert to fraction form
    193,065.45/289,598.37 = 80,684.16/x
  3. Step 3: Cross multiply
    193,065.45x = 289,598.37 × 80,684.16
  4. Step 4: Simplify right side
    193,065.45x = 23,366,001,220.82
  5. Step 5: Solve for x
    x = 23,366,001,220.82/193,065.45
  6. Step 6: Final answer
    x = 121,026.32

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