Home / 80,768.22-121,204.17-39,192.54

Finding the Fourth Proportional to 80,768.22, 121,204.17 and 39,192.54

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Solution

The fourth proportional to 80,768.22, 121,204.17 and 39,192.54 is: 58,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,768.22 : 121,204.17 = 39,192.54 : x
  2. Step 2: Convert to fraction form
    80,768.22/121,204.17 = 39,192.54/x
  3. Step 3: Cross multiply
    80,768.22x = 121,204.17 × 39,192.54
  4. Step 4: Simplify right side
    80,768.22x = 4,750,299,280.89
  5. Step 5: Solve for x
    x = 4,750,299,280.89/80,768.22
  6. Step 6: Final answer
    x = 58,813.97

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