Home / 198,283.86-273,631.77-107,639.73

Finding the Fourth Proportional to 198,283.86, 273,631.77 and 107,639.73

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Solution

The fourth proportional to 198,283.86, 273,631.77 and 107,639.73 is: 148,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,283.86 : 273,631.77 = 107,639.73 : x
  2. Step 2: Convert to fraction form
    198,283.86/273,631.77 = 107,639.73/x
  3. Step 3: Cross multiply
    198,283.86x = 273,631.77 × 107,639.73
  4. Step 4: Simplify right side
    198,283.86x = 29,453,649,842.22
  5. Step 5: Solve for x
    x = 29,453,649,842.22/198,283.86
  6. Step 6: Final answer
    x = 148,542.85

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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.