Home / 171,022.20-256,241.70-145,944.60

Finding the Fourth Proportional to 171,022.20, 256,241.70 and 145,944.60

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Solution

The fourth proportional to 171,022.20, 256,241.70 and 145,944.60 is: 218,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,022.20 : 256,241.70 = 145,944.60 : x
  2. Step 2: Convert to fraction form
    171,022.20/256,241.70 = 145,944.60/x
  3. Step 3: Cross multiply
    171,022.20x = 256,241.70 × 145,944.60
  4. Step 4: Simplify right side
    171,022.20x = 37,397,092,409.82
  5. Step 5: Solve for x
    x = 37,397,092,409.82/171,022.20
  6. Step 6: Final answer
    x = 218,668.06

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1.5x scale

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.