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Finding the Fourth Proportional to 159,201.86, 219,704.40 and 87,587.33

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Solution

The fourth proportional to 159,201.86, 219,704.40 and 87,587.33 is: 120,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,201.86 : 219,704.40 = 87,587.33 : x
  2. Step 2: Convert to fraction form
    159,201.86/219,704.40 = 87,587.33/x
  3. Step 3: Cross multiply
    159,201.86x = 219,704.40 × 87,587.33
  4. Step 4: Simplify right side
    159,201.86x = 19,243,320,686.73
  5. Step 5: Solve for x
    x = 19,243,320,686.73/159,201.86
  6. Step 6: Final answer
    x = 120,873.72

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