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Finding the Fourth Proportional to 207,666.40, 311,062.20 and 168,300.40

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Solution

The fourth proportional to 207,666.40, 311,062.20 and 168,300.40 is: 252,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,666.40 : 311,062.20 = 168,300.40 : x
  2. Step 2: Convert to fraction form
    207,666.40/311,062.20 = 168,300.40/x
  3. Step 3: Cross multiply
    207,666.40x = 311,062.20 × 168,300.40
  4. Step 4: Simplify right side
    207,666.40x = 52,351,892,684.88
  5. Step 5: Solve for x
    x = 52,351,892,684.88/207,666.40
  6. Step 6: Final answer
    x = 252,096.12

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