Home / 213,316.44-320,149.62-108,165.48

Finding the Fourth Proportional to 213,316.44, 320,149.62 and 108,165.48

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Solution

The fourth proportional to 213,316.44, 320,149.62 and 108,165.48 is: 162,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,316.44 : 320,149.62 = 108,165.48 : x
  2. Step 2: Convert to fraction form
    213,316.44/320,149.62 = 108,165.48/x
  3. Step 3: Cross multiply
    213,316.44x = 320,149.62 × 108,165.48
  4. Step 4: Simplify right side
    213,316.44x = 34,629,137,319.12
  5. Step 5: Solve for x
    x = 34,629,137,319.12/213,316.44
  6. Step 6: Final answer
    x = 162,336.94

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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.