Home / 213,424.97-320,043.66-113,561.43

Finding the Fourth Proportional to 213,424.97, 320,043.66 and 113,561.43

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Solution

The fourth proportional to 213,424.97, 320,043.66 and 113,561.43 is: 170,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,424.97 : 320,043.66 = 113,561.43 : x
  2. Step 2: Convert to fraction form
    213,424.97/320,043.66 = 113,561.43/x
  3. Step 3: Cross multiply
    213,424.97x = 320,043.66 × 113,561.43
  4. Step 4: Simplify right side
    213,424.97x = 36,344,614,583.22
  5. Step 5: Solve for x
    x = 36,344,614,583.22/213,424.97
  6. Step 6: Final answer
    x = 170,292.23

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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.