Home / 256,027.43-353,310.50-142,847.75

Finding the Fourth Proportional to 256,027.43, 353,310.50 and 142,847.75

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Solution

The fourth proportional to 256,027.43, 353,310.50 and 142,847.75 is: 197,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,027.43 : 353,310.50 = 142,847.75 : x
  2. Step 2: Convert to fraction form
    256,027.43/353,310.50 = 142,847.75/x
  3. Step 3: Cross multiply
    256,027.43x = 353,310.50 × 142,847.75
  4. Step 4: Simplify right side
    256,027.43x = 50,469,607,495.58
  5. Step 5: Solve for x
    x = 50,469,607,495.58/256,027.43
  6. Step 6: Final answer
    x = 197,125.79

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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.