Home / 252,435.05-378,305.25-108,168.17

Finding the Fourth Proportional to 252,435.05, 378,305.25 and 108,168.17

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Solution

The fourth proportional to 252,435.05, 378,305.25 and 108,168.17 is: 162,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,435.05 : 378,305.25 = 108,168.17 : x
  2. Step 2: Convert to fraction form
    252,435.05/378,305.25 = 108,168.17/x
  3. Step 3: Cross multiply
    252,435.05x = 378,305.25 × 108,168.17
  4. Step 4: Simplify right side
    252,435.05x = 40,920,586,254.08
  5. Step 5: Solve for x
    x = 40,920,586,254.08/252,435.05
  6. Step 6: Final answer
    x = 162,103.43

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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.