Home / 123,738.70-170,759.31-70,022.74

Finding the Fourth Proportional to 123,738.70, 170,759.31 and 70,022.74

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Solution

The fourth proportional to 123,738.70, 170,759.31 and 70,022.74 is: 96,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,738.70 : 170,759.31 = 70,022.74 : x
  2. Step 2: Convert to fraction form
    123,738.70/170,759.31 = 70,022.74/x
  3. Step 3: Cross multiply
    123,738.70x = 170,759.31 × 70,022.74
  4. Step 4: Simplify right side
    123,738.70x = 11,957,034,766.71
  5. Step 5: Solve for x
    x = 11,957,034,766.71/123,738.70
  6. Step 6: Final answer
    x = 96,631.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.