Home / 171,272.68-256,576.56-126,212.25

Finding the Fourth Proportional to 171,272.68, 256,576.56 and 126,212.25

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Solution

The fourth proportional to 171,272.68, 256,576.56 and 126,212.25 is: 189,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,272.68 : 256,576.56 = 126,212.25 : x
  2. Step 2: Convert to fraction form
    171,272.68/256,576.56 = 126,212.25/x
  3. Step 3: Cross multiply
    171,272.68x = 256,576.56 × 126,212.25
  4. Step 4: Simplify right side
    171,272.68x = 32,383,104,934.86
  5. Step 5: Solve for x
    x = 32,383,104,934.86/171,272.68
  6. Step 6: Final answer
    x = 189,073.38

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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.