Home / 115,736.68-159,768.30-67,993.12

Finding the Fourth Proportional to 115,736.68, 159,768.30 and 67,993.12

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Solution

The fourth proportional to 115,736.68, 159,768.30 and 67,993.12 is: 93,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,736.68 : 159,768.30 = 67,993.12 : x
  2. Step 2: Convert to fraction form
    115,736.68/159,768.30 = 67,993.12/x
  3. Step 3: Cross multiply
    115,736.68x = 159,768.30 × 67,993.12
  4. Step 4: Simplify right side
    115,736.68x = 10,863,145,194.10
  5. Step 5: Solve for x
    x = 10,863,145,194.10/115,736.68
  6. Step 6: Final answer
    x = 93,860.87

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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.