Home / 213,371.74-320,258.49-108,266.14

Finding the Fourth Proportional to 213,371.74, 320,258.49 and 108,266.14

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Solution

The fourth proportional to 213,371.74, 320,258.49 and 108,266.14 is: 162,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,371.74 : 320,258.49 = 108,266.14 : x
  2. Step 2: Convert to fraction form
    213,371.74/320,258.49 = 108,266.14/x
  3. Step 3: Cross multiply
    213,371.74x = 320,258.49 × 108,266.14
  4. Step 4: Simplify right side
    213,371.74x = 34,673,150,514.53
  5. Step 5: Solve for x
    x = 34,673,150,514.53/213,371.74
  6. Step 6: Final answer
    x = 162,501.14

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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.