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Finding the Fourth Proportional to 211,471.20, 291,754.56 and 120,761.76

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Solution

The fourth proportional to 211,471.20, 291,754.56 and 120,761.76 is: 166,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,471.20 : 291,754.56 = 120,761.76 : x
  2. Step 2: Convert to fraction form
    211,471.20/291,754.56 = 120,761.76/x
  3. Step 3: Cross multiply
    211,471.20x = 291,754.56 × 120,761.76
  4. Step 4: Simplify right side
    211,471.20x = 35,232,794,153.63
  5. Step 5: Solve for x
    x = 35,232,794,153.63/211,471.20
  6. Step 6: Final answer
    x = 166,608.00

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