Home / 198,839.88-274,332.89-112,790.34

Finding the Fourth Proportional to 198,839.88, 274,332.89 and 112,790.34

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Solution

The fourth proportional to 198,839.88, 274,332.89 and 112,790.34 is: 155,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,839.88 : 274,332.89 = 112,790.34 : x
  2. Step 2: Convert to fraction form
    198,839.88/274,332.89 = 112,790.34/x
  3. Step 3: Cross multiply
    198,839.88x = 274,332.89 × 112,790.34
  4. Step 4: Simplify right side
    198,839.88x = 30,942,100,218.26
  5. Step 5: Solve for x
    x = 30,942,100,218.26/198,839.88
  6. Step 6: Final answer
    x = 155,613.15

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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.