Home / 203,170.47-280,377.31-122,582.42

Finding the Fourth Proportional to 203,170.47, 280,377.31 and 122,582.42

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Solution

The fourth proportional to 203,170.47, 280,377.31 and 122,582.42 is: 169,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,170.47 : 280,377.31 = 122,582.42 : x
  2. Step 2: Convert to fraction form
    203,170.47/280,377.31 = 122,582.42/x
  3. Step 3: Cross multiply
    203,170.47x = 280,377.31 × 122,582.42
  4. Step 4: Simplify right side
    203,170.47x = 34,369,327,464.55
  5. Step 5: Solve for x
    x = 34,369,327,464.55/203,170.47
  6. Step 6: Final answer
    x = 169,164.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.