Home / 198,110.56-297,267.76-131,596.64

Finding the Fourth Proportional to 198,110.56, 297,267.76 and 131,596.64

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Solution

The fourth proportional to 198,110.56, 297,267.76 and 131,596.64 is: 197,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,110.56 : 297,267.76 = 131,596.64 : x
  2. Step 2: Convert to fraction form
    198,110.56/297,267.76 = 131,596.64/x
  3. Step 3: Cross multiply
    198,110.56x = 297,267.76 × 131,596.64
  4. Step 4: Simplify right side
    198,110.56x = 39,119,438,396.33
  5. Step 5: Solve for x
    x = 39,119,438,396.33/198,110.56
  6. Step 6: Final answer
    x = 197,462.66

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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.