Home / 213,336.82-320,180.19-108,185.86

Finding the Fourth Proportional to 213,336.82, 320,180.19 and 108,185.86

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Solution

The fourth proportional to 213,336.82, 320,180.19 and 108,185.86 is: 162,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,336.82 : 320,180.19 = 108,185.86 : x
  2. Step 2: Convert to fraction form
    213,336.82/320,180.19 = 108,185.86/x
  3. Step 3: Cross multiply
    213,336.82x = 320,180.19 × 108,185.86
  4. Step 4: Simplify right side
    213,336.82x = 34,638,967,068.28
  5. Step 5: Solve for x
    x = 34,638,967,068.28/213,336.82
  6. Step 6: Final answer
    x = 162,367.51

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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.