Home / 207,090.09-310,229.17-107,315.73

Finding the Fourth Proportional to 207,090.09, 310,229.17 and 107,315.73

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Solution

The fourth proportional to 207,090.09, 310,229.17 and 107,315.73 is: 160,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,090.09 : 310,229.17 = 107,315.73 : x
  2. Step 2: Convert to fraction form
    207,090.09/310,229.17 = 107,315.73/x
  3. Step 3: Cross multiply
    207,090.09x = 310,229.17 × 107,315.73
  4. Step 4: Simplify right side
    207,090.09x = 33,292,469,309.27
  5. Step 5: Solve for x
    x = 33,292,469,309.27/207,090.09
  6. Step 6: Final answer
    x = 160,763.22

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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.