Home / 115,793.28-173,510.60-80,323.58

Finding the Fourth Proportional to 115,793.28, 173,510.60 and 80,323.58

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Solution

The fourth proportional to 115,793.28, 173,510.60 and 80,323.58 is: 120,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,793.28 : 173,510.60 = 80,323.58 : x
  2. Step 2: Convert to fraction form
    115,793.28/173,510.60 = 80,323.58/x
  3. Step 3: Cross multiply
    115,793.28x = 173,510.60 × 80,323.58
  4. Step 4: Simplify right side
    115,793.28x = 13,936,991,290.78
  5. Step 5: Solve for x
    x = 13,936,991,290.78/115,793.28
  6. Step 6: Final answer
    x = 120,360.97

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