Home / 223,766.94-308,799.66-121,792.15

Finding the Fourth Proportional to 223,766.94, 308,799.66 and 121,792.15

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Solution

The fourth proportional to 223,766.94, 308,799.66 and 121,792.15 is: 168,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,766.94 : 308,799.66 = 121,792.15 : x
  2. Step 2: Convert to fraction form
    223,766.94/308,799.66 = 121,792.15/x
  3. Step 3: Cross multiply
    223,766.94x = 308,799.66 × 121,792.15
  4. Step 4: Simplify right side
    223,766.94x = 37,609,374,668.31
  5. Step 5: Solve for x
    x = 37,609,374,668.31/223,766.94
  6. Step 6: Final answer
    x = 168,073.87

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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.