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Finding the Fourth Proportional to 87,469.40, 131,301.30 and 48,103.40

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Solution

The fourth proportional to 87,469.40, 131,301.30 and 48,103.40 is: 72,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,469.40 : 131,301.30 = 48,103.40 : x
  2. Step 2: Convert to fraction form
    87,469.40/131,301.30 = 48,103.40/x
  3. Step 3: Cross multiply
    87,469.40x = 131,301.30 × 48,103.40
  4. Step 4: Simplify right side
    87,469.40x = 6,316,038,954.42
  5. Step 5: Solve for x
    x = 6,316,038,954.42/87,469.40
  6. Step 6: Final answer
    x = 72,208.55

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