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Finding the Fourth Proportional to 131,661.99, 197,446.28 and 47,399.53

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Solution

The fourth proportional to 131,661.99, 197,446.28 and 47,399.53 is: 71,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,661.99 : 197,446.28 = 47,399.53 : x
  2. Step 2: Convert to fraction form
    131,661.99/197,446.28 = 47,399.53/x
  3. Step 3: Cross multiply
    131,661.99x = 197,446.28 × 47,399.53
  4. Step 4: Simplify right side
    131,661.99x = 9,358,860,635.25
  5. Step 5: Solve for x
    x = 9,358,860,635.25/131,661.99
  6. Step 6: Final answer
    x = 71,082.48

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