Home / 170,864.88-256,352.16-82,124.82

Finding the Fourth Proportional to 170,864.88, 256,352.16 and 82,124.82

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Solution

The fourth proportional to 170,864.88, 256,352.16 and 82,124.82 is: 123,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,864.88 : 256,352.16 = 82,124.82 : x
  2. Step 2: Convert to fraction form
    170,864.88/256,352.16 = 82,124.82/x
  3. Step 3: Cross multiply
    170,864.88x = 256,352.16 × 82,124.82
  4. Step 4: Simplify right side
    170,864.88x = 21,052,874,996.61
  5. Step 5: Solve for x
    x = 21,052,874,996.61/170,864.88
  6. Step 6: Final answer
    x = 123,213.59

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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.