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Finding the Fourth Proportional to 131,672.70, 197,379.45 and 65,123.10

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Solution

The fourth proportional to 131,672.70, 197,379.45 and 65,123.10 is: 97,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,672.70 : 197,379.45 = 65,123.10 : x
  2. Step 2: Convert to fraction form
    131,672.70/197,379.45 = 65,123.10/x
  3. Step 3: Cross multiply
    131,672.70x = 197,379.45 × 65,123.10
  4. Step 4: Simplify right side
    131,672.70x = 12,853,961,660.30
  5. Step 5: Solve for x
    x = 12,853,961,660.30/131,672.70
  6. Step 6: Final answer
    x = 97,620.55

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