Home / 170,725.04-256,213.68-82,029.92

Finding the Fourth Proportional to 170,725.04, 256,213.68 and 82,029.92

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Solution

The fourth proportional to 170,725.04, 256,213.68 and 82,029.92 is: 123,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,725.04 : 256,213.68 = 82,029.92 : x
  2. Step 2: Convert to fraction form
    170,725.04/256,213.68 = 82,029.92/x
  3. Step 3: Cross multiply
    170,725.04x = 256,213.68 × 82,029.92
  4. Step 4: Simplify right side
    170,725.04x = 21,017,187,673.31
  5. Step 5: Solve for x
    x = 21,017,187,673.31/170,725.04
  6. Step 6: Final answer
    x = 123,105.48

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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.