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Finding the Fourth Proportional to 207,809.06, 311,151.39 and 107,758.93

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Solution

The fourth proportional to 207,809.06, 311,151.39 and 107,758.93 is: 161,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,809.06 : 311,151.39 = 107,758.93 : x
  2. Step 2: Convert to fraction form
    207,809.06/311,151.39 = 107,758.93/x
  3. Step 3: Cross multiply
    207,809.06x = 311,151.39 × 107,758.93
  4. Step 4: Simplify right side
    207,809.06x = 33,529,340,854.41
  5. Step 5: Solve for x
    x = 33,529,340,854.41/207,809.06
  6. Step 6: Final answer
    x = 161,346.87

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