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Finding the Fourth Proportional to 141,338.80, 212,008.20 and 47,843.20

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Solution

The fourth proportional to 141,338.80, 212,008.20 and 47,843.20 is: 71,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338.80 : 212,008.20 = 47,843.20 : x
  2. Step 2: Convert to fraction form
    141,338.80/212,008.20 = 47,843.20/x
  3. Step 3: Cross multiply
    141,338.80x = 212,008.20 × 47,843.20
  4. Step 4: Simplify right side
    141,338.80x = 10,143,150,714.24
  5. Step 5: Solve for x
    x = 10,143,150,714.24/141,338.80
  6. Step 6: Final answer
    x = 71,764.80

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