Home / 214,261.43-295,662.20-122,380.25

Finding the Fourth Proportional to 214,261.43, 295,662.20 and 122,380.25

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Solution

The fourth proportional to 214,261.43, 295,662.20 and 122,380.25 is: 168,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,261.43 : 295,662.20 = 122,380.25 : x
  2. Step 2: Convert to fraction form
    214,261.43/295,662.20 = 122,380.25/x
  3. Step 3: Cross multiply
    214,261.43x = 295,662.20 × 122,380.25
  4. Step 4: Simplify right side
    214,261.43x = 36,183,211,861.34
  5. Step 5: Solve for x
    x = 36,183,211,861.34/214,261.43
  6. Step 6: Final answer
    x = 168,874.13

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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.