Home / 171,195.06-256,653.42-71,429.59

Finding the Fourth Proportional to 171,195.06, 256,653.42 and 71,429.59

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Solution

The fourth proportional to 171,195.06, 256,653.42 and 71,429.59 is: 107,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,195.06 : 256,653.42 = 71,429.59 : x
  2. Step 2: Convert to fraction form
    171,195.06/256,653.42 = 71,429.59/x
  3. Step 3: Cross multiply
    171,195.06x = 256,653.42 × 71,429.59
  4. Step 4: Simplify right side
    171,195.06x = 18,332,648,562.70
  5. Step 5: Solve for x
    x = 18,332,648,562.70/171,195.06
  6. Step 6: Final answer
    x = 107,086.32

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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.