Home / 199,180.73-298,770.29-80,851.07

Finding the Fourth Proportional to 199,180.73, 298,770.29 and 80,851.07

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Solution

The fourth proportional to 199,180.73, 298,770.29 and 80,851.07 is: 121,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,180.73 : 298,770.29 = 80,851.07 : x
  2. Step 2: Convert to fraction form
    199,180.73/298,770.29 = 80,851.07/x
  3. Step 3: Cross multiply
    199,180.73x = 298,770.29 × 80,851.07
  4. Step 4: Simplify right side
    199,180.73x = 24,155,897,973.38
  5. Step 5: Solve for x
    x = 24,155,897,973.38/199,180.73
  6. Step 6: Final answer
    x = 121,276.28

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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.