Home / 321,192.09-481,796.10-107,963.24

Finding the Fourth Proportional to 321,192.09, 481,796.10 and 107,963.24

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Solution

The fourth proportional to 321,192.09, 481,796.10 and 107,963.24 is: 161,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,192.09 : 481,796.10 = 107,963.24 : x
  2. Step 2: Convert to fraction form
    321,192.09/481,796.10 = 107,963.24/x
  3. Step 3: Cross multiply
    321,192.09x = 481,796.10 × 107,963.24
  4. Step 4: Simplify right side
    321,192.09x = 52,016,265,566.38
  5. Step 5: Solve for x
    x = 52,016,265,566.38/321,192.09
  6. Step 6: Final answer
    x = 161,947.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.