Home / 171,195.24-256,653.70-71,429.77

Finding the Fourth Proportional to 171,195.24, 256,653.70 and 71,429.77

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Solution

The fourth proportional to 171,195.24, 256,653.70 and 71,429.77 is: 107,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,195.24 : 256,653.70 = 71,429.77 : x
  2. Step 2: Convert to fraction form
    171,195.24/256,653.70 = 71,429.77/x
  3. Step 3: Cross multiply
    171,195.24x = 256,653.70 × 71,429.77
  4. Step 4: Simplify right side
    171,195.24x = 18,332,714,760.65
  5. Step 5: Solve for x
    x = 18,332,714,760.65/171,195.24
  6. Step 6: Final answer
    x = 107,086.59

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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.