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Finding the Fourth Proportional to 158,759.63, 219,091.11 and 87,146.31

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Solution

The fourth proportional to 158,759.63, 219,091.11 and 87,146.31 is: 120,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,759.63 : 219,091.11 = 87,146.31 : x
  2. Step 2: Convert to fraction form
    158,759.63/219,091.11 = 87,146.31/x
  3. Step 3: Cross multiply
    158,759.63x = 219,091.11 × 87,146.31
  4. Step 4: Simplify right side
    158,759.63x = 19,092,981,790.30
  5. Step 5: Solve for x
    x = 19,092,981,790.30/158,759.63
  6. Step 6: Final answer
    x = 120,263.46

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