Home / 213,622.72-320,452.26-55,850.92

Finding the Fourth Proportional to 213,622.72, 320,452.26 and 55,850.92

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Solution

The fourth proportional to 213,622.72, 320,452.26 and 55,850.92 is: 83,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,622.72 : 320,452.26 = 55,850.92 : x
  2. Step 2: Convert to fraction form
    213,622.72/320,452.26 = 55,850.92/x
  3. Step 3: Cross multiply
    213,622.72x = 320,452.26 × 55,850.92
  4. Step 4: Simplify right side
    213,622.72x = 17,897,553,537.08
  5. Step 5: Solve for x
    x = 17,897,553,537.08/213,622.72
  6. Step 6: Final answer
    x = 83,781.13

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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.