Home / 198,636.22-274,123.38-107,998.28

Finding the Fourth Proportional to 198,636.22, 274,123.38 and 107,998.28

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Solution

The fourth proportional to 198,636.22, 274,123.38 and 107,998.28 is: 149,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,636.22 : 274,123.38 = 107,998.28 : x
  2. Step 2: Convert to fraction form
    198,636.22/274,123.38 = 107,998.28/x
  3. Step 3: Cross multiply
    198,636.22x = 274,123.38 × 107,998.28
  4. Step 4: Simplify right side
    198,636.22x = 29,604,853,547.79
  5. Step 5: Solve for x
    x = 29,604,853,547.79/198,636.22
  6. Step 6: Final answer
    x = 149,040.56

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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.