Home / 203,099.06-280,286.33-122,524.86

Finding the Fourth Proportional to 203,099.06, 280,286.33 and 122,524.86

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Solution

The fourth proportional to 203,099.06, 280,286.33 and 122,524.86 is: 169,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,099.06 : 280,286.33 = 122,524.86 : x
  2. Step 2: Convert to fraction form
    203,099.06/280,286.33 = 122,524.86/x
  3. Step 3: Cross multiply
    203,099.06x = 280,286.33 × 122,524.86
  4. Step 4: Simplify right side
    203,099.06x = 34,342,043,649.48
  5. Step 5: Solve for x
    x = 34,342,043,649.48/203,099.06
  6. Step 6: Final answer
    x = 169,090.11

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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.