Home / 213,743.66-320,404.05-101,226.15

Finding the Fourth Proportional to 213,743.66, 320,404.05 and 101,226.15

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Solution

The fourth proportional to 213,743.66, 320,404.05 and 101,226.15 is: 151,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,743.66 : 320,404.05 = 101,226.15 : x
  2. Step 2: Convert to fraction form
    213,743.66/320,404.05 = 101,226.15/x
  3. Step 3: Cross multiply
    213,743.66x = 320,404.05 × 101,226.15
  4. Step 4: Simplify right side
    213,743.66x = 32,433,268,425.91
  5. Step 5: Solve for x
    x = 32,433,268,425.91/213,743.66
  6. Step 6: Final answer
    x = 151,739.09

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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.