Home / 216,660.83-298,993.98-121,167.73

Finding the Fourth Proportional to 216,660.83, 298,993.98 and 121,167.73

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Solution

The fourth proportional to 216,660.83, 298,993.98 and 121,167.73 is: 167,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660.83 : 298,993.98 = 121,167.73 : x
  2. Step 2: Convert to fraction form
    216,660.83/298,993.98 = 121,167.73/x
  3. Step 3: Cross multiply
    216,660.83x = 298,993.98 × 121,167.73
  4. Step 4: Simplify right side
    216,660.83x = 36,228,422,668.39
  5. Step 5: Solve for x
    x = 36,228,422,668.39/216,660.83
  6. Step 6: Final answer
    x = 167,212.61

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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.