Home / 198,211.93-297,234.06-79,851.49

Finding the Fourth Proportional to 198,211.93, 297,234.06 and 79,851.49

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Solution

The fourth proportional to 198,211.93, 297,234.06 and 79,851.49 is: 119,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.93 : 297,234.06 = 79,851.49 : x
  2. Step 2: Convert to fraction form
    198,211.93/297,234.06 = 79,851.49/x
  3. Step 3: Cross multiply
    198,211.93x = 297,234.06 × 79,851.49
  4. Step 4: Simplify right side
    198,211.93x = 23,734,582,569.75
  5. Step 5: Solve for x
    x = 23,734,582,569.75/198,211.93
  6. Step 6: Final answer
    x = 119,743.46

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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.