Home / 131,480.25-197,121.96-42,680.76

Finding the Fourth Proportional to 131,480.25, 197,121.96 and 42,680.76

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Solution

The fourth proportional to 131,480.25, 197,121.96 and 42,680.76 is: 63,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,480.25 : 197,121.96 = 42,680.76 : x
  2. Step 2: Convert to fraction form
    131,480.25/197,121.96 = 42,680.76/x
  3. Step 3: Cross multiply
    131,480.25x = 197,121.96 × 42,680.76
  4. Step 4: Simplify right side
    131,480.25x = 8,413,315,065.49
  5. Step 5: Solve for x
    x = 8,413,315,065.49/131,480.25
  6. Step 6: Final answer
    x = 63,989.19

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