Home / 170,852.45-256,278.68-82,084.55

Finding the Fourth Proportional to 170,852.45, 256,278.68 and 82,084.55

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Solution

The fourth proportional to 170,852.45, 256,278.68 and 82,084.55 is: 123,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,852.45 : 256,278.68 = 82,084.55 : x
  2. Step 2: Convert to fraction form
    170,852.45/256,278.68 = 82,084.55/x
  3. Step 3: Cross multiply
    170,852.45x = 256,278.68 × 82,084.55
  4. Step 4: Simplify right side
    170,852.45x = 21,036,519,711.97
  5. Step 5: Solve for x
    x = 21,036,519,711.97/170,852.45
  6. Step 6: Final answer
    x = 123,126.83

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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.