Home / 198,555.72-274,008.62-107,911.67

Finding the Fourth Proportional to 198,555.72, 274,008.62 and 107,911.67

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Solution

The fourth proportional to 198,555.72, 274,008.62 and 107,911.67 is: 148,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,555.72 : 274,008.62 = 107,911.67 : x
  2. Step 2: Convert to fraction form
    198,555.72/274,008.62 = 107,911.67/x
  3. Step 3: Cross multiply
    198,555.72x = 274,008.62 × 107,911.67
  4. Step 4: Simplify right side
    198,555.72x = 29,568,727,448.98
  5. Step 5: Solve for x
    x = 29,568,727,448.98/198,555.72
  6. Step 6: Final answer
    x = 148,919.04

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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.