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Finding the Fourth Proportional to 159,069.47, 219,516.62 and 87,454.13

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Solution

The fourth proportional to 159,069.47, 219,516.62 and 87,454.13 is: 120,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,069.47 : 219,516.62 = 87,454.13 : x
  2. Step 2: Convert to fraction form
    159,069.47/219,516.62 = 87,454.13/x
  3. Step 3: Cross multiply
    159,069.47x = 219,516.62 × 87,454.13
  4. Step 4: Simplify right side
    159,069.47x = 19,197,633,487.79
  5. Step 5: Solve for x
    x = 19,197,633,487.79/159,069.47
  6. Step 6: Final answer
    x = 120,687.11

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