Home / 431,112.08-646,266.03-146,608.21

Finding the Fourth Proportional to 431,112.08, 646,266.03 and 146,608.21

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Solution

The fourth proportional to 431,112.08, 646,266.03 and 146,608.21 is: 219,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,112.08 : 646,266.03 = 146,608.21 : x
  2. Step 2: Convert to fraction form
    431,112.08/646,266.03 = 146,608.21/x
  3. Step 3: Cross multiply
    431,112.08x = 646,266.03 × 146,608.21
  4. Step 4: Simplify right side
    431,112.08x = 94,747,904,226.44
  5. Step 5: Solve for x
    x = 94,747,904,226.44/431,112.08
  6. Step 6: Final answer
    x = 219,775.57

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