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Finding the Fourth Proportional to 174,899.80, 262,479.30 and 128,243.80

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Solution

The fourth proportional to 174,899.80, 262,479.30 and 128,243.80 is: 192,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,899.80 : 262,479.30 = 128,243.80 : x
  2. Step 2: Convert to fraction form
    174,899.80/262,479.30 = 128,243.80/x
  3. Step 3: Cross multiply
    174,899.80x = 262,479.30 × 128,243.80
  4. Step 4: Simplify right side
    174,899.80x = 33,661,342,853.34
  5. Step 5: Solve for x
    x = 33,661,342,853.34/174,899.80
  6. Step 6: Final answer
    x = 192,460.73

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