Home / 225,096.03-310,589.42-128,297.97

Finding the Fourth Proportional to 225,096.03, 310,589.42 and 128,297.97

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Solution

The fourth proportional to 225,096.03, 310,589.42 and 128,297.97 is: 177,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,096.03 : 310,589.42 = 128,297.97 : x
  2. Step 2: Convert to fraction form
    225,096.03/310,589.42 = 128,297.97/x
  3. Step 3: Cross multiply
    225,096.03x = 310,589.42 × 128,297.97
  4. Step 4: Simplify right side
    225,096.03x = 39,847,991,447.99
  5. Step 5: Solve for x
    x = 39,847,991,447.99/225,096.03
  6. Step 6: Final answer
    x = 177,026.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.