Home / 216,512.43-325,063.14-121,809.24

Finding the Fourth Proportional to 216,512.43, 325,063.14 and 121,809.24

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Solution

The fourth proportional to 216,512.43, 325,063.14 and 121,809.24 is: 182,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,512.43 : 325,063.14 = 121,809.24 : x
  2. Step 2: Convert to fraction form
    216,512.43/325,063.14 = 121,809.24/x
  3. Step 3: Cross multiply
    216,512.43x = 325,063.14 × 121,809.24
  4. Step 4: Simplify right side
    216,512.43x = 39,595,694,035.41
  5. Step 5: Solve for x
    x = 39,595,694,035.41/216,512.43
  6. Step 6: Final answer
    x = 182,879.54

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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.