Home / 203,961.96-281,508-130,327.32

Finding the Fourth Proportional to 203,961.96, 281,508 and 130,327.32

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Solution

The fourth proportional to 203,961.96, 281,508 and 130,327.32 is: 179,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,961.96 : 281,508 = 130,327.32 : x
  2. Step 2: Convert to fraction form
    203,961.96/281,508 = 130,327.32/x
  3. Step 3: Cross multiply
    203,961.96x = 281,508 × 130,327.32
  4. Step 4: Simplify right side
    203,961.96x = 36,688,183,198.56
  5. Step 5: Solve for x
    x = 36,688,183,198.56/203,961.96
  6. Step 6: Final answer
    x = 179,877.58

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1.5x scale

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.