Home / 171,214.52-256,517.04-145,998.75

Finding the Fourth Proportional to 171,214.52, 256,517.04 and 145,998.75

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Solution

The fourth proportional to 171,214.52, 256,517.04 and 145,998.75 is: 218,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,214.52 : 256,517.04 = 145,998.75 : x
  2. Step 2: Convert to fraction form
    171,214.52/256,517.04 = 145,998.75/x
  3. Step 3: Cross multiply
    171,214.52x = 256,517.04 × 145,998.75
  4. Step 4: Simplify right side
    171,214.52x = 37,451,167,193.70
  5. Step 5: Solve for x
    x = 37,451,167,193.70/171,214.52
  6. Step 6: Final answer
    x = 218,738.27

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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.