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Finding the Fourth Proportional to 196,864.40, 271,672.80 and 107,440.40

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Solution

The fourth proportional to 196,864.40, 271,672.80 and 107,440.40 is: 148,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,864.40 : 271,672.80 = 107,440.40 : x
  2. Step 2: Convert to fraction form
    196,864.40/271,672.80 = 107,440.40/x
  3. Step 3: Cross multiply
    196,864.40x = 271,672.80 × 107,440.40
  4. Step 4: Simplify right side
    196,864.40x = 29,188,634,301.12
  5. Step 5: Solve for x
    x = 29,188,634,301.12/196,864.40
  6. Step 6: Final answer
    x = 148,267.71

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