Home / 216,708.12-325,093.27-66,961.48

Finding the Fourth Proportional to 216,708.12, 325,093.27 and 66,961.48

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Solution

The fourth proportional to 216,708.12, 325,093.27 and 66,961.48 is: 100,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,708.12 : 325,093.27 = 66,961.48 : x
  2. Step 2: Convert to fraction form
    216,708.12/325,093.27 = 66,961.48/x
  3. Step 3: Cross multiply
    216,708.12x = 325,093.27 × 66,961.48
  4. Step 4: Simplify right side
    216,708.12x = 21,768,726,497.24
  5. Step 5: Solve for x
    x = 21,768,726,497.24/216,708.12
  6. Step 6: Final answer
    x = 100,451.83

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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.