Home / 225,568.22-338,325.99-90,626.83

Finding the Fourth Proportional to 225,568.22, 338,325.99 and 90,626.83

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Solution

The fourth proportional to 225,568.22, 338,325.99 and 90,626.83 is: 135,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,568.22 : 338,325.99 = 90,626.83 : x
  2. Step 2: Convert to fraction form
    225,568.22/338,325.99 = 90,626.83/x
  3. Step 3: Cross multiply
    225,568.22x = 338,325.99 × 90,626.83
  4. Step 4: Simplify right side
    225,568.22x = 30,661,411,304.42
  5. Step 5: Solve for x
    x = 30,661,411,304.42/225,568.22
  6. Step 6: Final answer
    x = 135,929.66

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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.