Home / 192,517.29-288,706.82-74,129.13

Finding the Fourth Proportional to 192,517.29, 288,706.82 and 74,129.13

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Solution

The fourth proportional to 192,517.29, 288,706.82 and 74,129.13 is: 111,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,517.29 : 288,706.82 = 74,129.13 : x
  2. Step 2: Convert to fraction form
    192,517.29/288,706.82 = 74,129.13/x
  3. Step 3: Cross multiply
    192,517.29x = 288,706.82 × 74,129.13
  4. Step 4: Simplify right side
    192,517.29x = 21,401,585,021.02
  5. Step 5: Solve for x
    x = 21,401,585,021.02/192,517.29
  6. Step 6: Final answer
    x = 111,167.08

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1.5x scale

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.