Home / 198,281.86-273,629.01-107,637.73

Finding the Fourth Proportional to 198,281.86, 273,629.01 and 107,637.73

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Solution

The fourth proportional to 198,281.86, 273,629.01 and 107,637.73 is: 148,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,281.86 : 273,629.01 = 107,637.73 : x
  2. Step 2: Convert to fraction form
    198,281.86/273,629.01 = 107,637.73/x
  3. Step 3: Cross multiply
    198,281.86x = 273,629.01 × 107,637.73
  4. Step 4: Simplify right side
    198,281.86x = 29,452,805,498.55
  5. Step 5: Solve for x
    x = 29,452,805,498.55/198,281.86
  6. Step 6: Final answer
    x = 148,540.09

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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.