Home / 198,253.68-273,590.26-107,609.72

Finding the Fourth Proportional to 198,253.68, 273,590.26 and 107,609.72

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Solution

The fourth proportional to 198,253.68, 273,590.26 and 107,609.72 is: 148,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,253.68 : 273,590.26 = 107,609.72 : x
  2. Step 2: Convert to fraction form
    198,253.68/273,590.26 = 107,609.72/x
  3. Step 3: Cross multiply
    198,253.68x = 273,590.26 × 107,609.72
  4. Step 4: Simplify right side
    198,253.68x = 29,440,969,636.35
  5. Step 5: Solve for x
    x = 29,440,969,636.35/198,253.68
  6. Step 6: Final answer
    x = 148,501.51

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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.