Home / 198,499.57-273,931.08-107,855.54

Finding the Fourth Proportional to 198,499.57, 273,931.08 and 107,855.54

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Solution

The fourth proportional to 198,499.57, 273,931.08 and 107,855.54 is: 148,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,499.57 : 273,931.08 = 107,855.54 : x
  2. Step 2: Convert to fraction form
    198,499.57/273,931.08 = 107,855.54/x
  3. Step 3: Cross multiply
    198,499.57x = 273,931.08 × 107,855.54
  4. Step 4: Simplify right side
    198,499.57x = 29,544,984,556.18
  5. Step 5: Solve for x
    x = 29,544,984,556.18/198,499.57
  6. Step 6: Final answer
    x = 148,841.55

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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.