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Finding the Fourth Proportional to 431,961.41, 648,066.48 and 132,485.92

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Solution

The fourth proportional to 431,961.41, 648,066.48 and 132,485.92 is: 198,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,961.41 : 648,066.48 = 132,485.92 : x
  2. Step 2: Convert to fraction form
    431,961.41/648,066.48 = 132,485.92/x
  3. Step 3: Cross multiply
    431,961.41x = 648,066.48 × 132,485.92
  4. Step 4: Simplify right side
    431,961.41x = 85,859,683,823.96
  5. Step 5: Solve for x
    x = 85,859,683,823.96/431,961.41
  6. Step 6: Final answer
    x = 198,767.02

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