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Finding the Fourth Proportional to 215,966.80, 298,032.15 and 119,171.56

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Solution

The fourth proportional to 215,966.80, 298,032.15 and 119,171.56 is: 164,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,966.80 : 298,032.15 = 119,171.56 : x
  2. Step 2: Convert to fraction form
    215,966.80/298,032.15 = 119,171.56/x
  3. Step 3: Cross multiply
    215,966.80x = 298,032.15 × 119,171.56
  4. Step 4: Simplify right side
    215,966.80x = 35,516,956,245.65
  5. Step 5: Solve for x
    x = 35,516,956,245.65/215,966.80
  6. Step 6: Final answer
    x = 164,455.63

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