Home / 198,523.72-273,962.51-107,879.47

Finding the Fourth Proportional to 198,523.72, 273,962.51 and 107,879.47

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Solution

The fourth proportional to 198,523.72, 273,962.51 and 107,879.47 is: 148,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,523.72 : 273,962.51 = 107,879.47 : x
  2. Step 2: Convert to fraction form
    198,523.72/273,962.51 = 107,879.47/x
  3. Step 3: Cross multiply
    198,523.72x = 273,962.51 × 107,879.47
  4. Step 4: Simplify right side
    198,523.72x = 29,554,930,378.67
  5. Step 5: Solve for x
    x = 29,554,930,378.67/198,523.72
  6. Step 6: Final answer
    x = 148,873.55

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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.