Home / 198,280.86-273,627.63-107,636.73

Finding the Fourth Proportional to 198,280.86, 273,627.63 and 107,636.73

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Solution

The fourth proportional to 198,280.86, 273,627.63 and 107,636.73 is: 148,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,280.86 : 273,627.63 = 107,636.73 : x
  2. Step 2: Convert to fraction form
    198,280.86/273,627.63 = 107,636.73/x
  3. Step 3: Cross multiply
    198,280.86x = 273,627.63 × 107,636.73
  4. Step 4: Simplify right side
    198,280.86x = 29,452,383,330.85
  5. Step 5: Solve for x
    x = 29,452,383,330.85/198,280.86
  6. Step 6: Final answer
    x = 148,538.71

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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.