Home / 118,939.20-177,969.78-71,583.36

Finding the Fourth Proportional to 118,939.20, 177,969.78 and 71,583.36

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Solution

The fourth proportional to 118,939.20, 177,969.78 and 71,583.36 is: 107,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,939.20 : 177,969.78 = 71,583.36 : x
  2. Step 2: Convert to fraction form
    118,939.20/177,969.78 = 71,583.36/x
  3. Step 3: Cross multiply
    118,939.20x = 177,969.78 × 71,583.36
  4. Step 4: Simplify right side
    118,939.20x = 12,739,674,830.86
  5. Step 5: Solve for x
    x = 12,739,674,830.86/118,939.20
  6. Step 6: Final answer
    x = 107,110.82

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