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Finding the Fourth Proportional to 159,240.74, 219,761.52 and 91,278.77

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Solution

The fourth proportional to 159,240.74, 219,761.52 and 91,278.77 is: 125,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,240.74 : 219,761.52 = 91,278.77 : x
  2. Step 2: Convert to fraction form
    159,240.74/219,761.52 = 91,278.77/x
  3. Step 3: Cross multiply
    159,240.74x = 219,761.52 × 91,278.77
  4. Step 4: Simplify right side
    159,240.74x = 20,059,561,238.93
  5. Step 5: Solve for x
    x = 20,059,561,238.93/159,240.74
  6. Step 6: Final answer
    x = 125,970.03

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