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Finding the Fourth Proportional to 131,456.80, 197,266.20 and 52,562.80

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Solution

The fourth proportional to 131,456.80, 197,266.20 and 52,562.80 is: 78,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,456.80 : 197,266.20 = 52,562.80 : x
  2. Step 2: Convert to fraction form
    131,456.80/197,266.20 = 52,562.80/x
  3. Step 3: Cross multiply
    131,456.80x = 197,266.20 × 52,562.80
  4. Step 4: Simplify right side
    131,456.80x = 10,368,863,817.36
  5. Step 5: Solve for x
    x = 10,368,863,817.36/131,456.80
  6. Step 6: Final answer
    x = 78,876.59

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