Home / 181,439.09-250,394.49-100,867.96

Finding the Fourth Proportional to 181,439.09, 250,394.49 and 100,867.96

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Solution

The fourth proportional to 181,439.09, 250,394.49 and 100,867.96 is: 139,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,439.09 : 250,394.49 = 100,867.96 : x
  2. Step 2: Convert to fraction form
    181,439.09/250,394.49 = 100,867.96/x
  3. Step 3: Cross multiply
    181,439.09x = 250,394.49 × 100,867.96
  4. Step 4: Simplify right side
    181,439.09x = 25,256,781,401.54
  5. Step 5: Solve for x
    x = 25,256,781,401.54/181,439.09
  6. Step 6: Final answer
    x = 139,202.54

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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.