Home / 198,454.49-273,869.08-107,811.13

Finding the Fourth Proportional to 198,454.49, 273,869.08 and 107,811.13

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Solution

The fourth proportional to 198,454.49, 273,869.08 and 107,811.13 is: 148,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,454.49 : 273,869.08 = 107,811.13 : x
  2. Step 2: Convert to fraction form
    198,454.49/273,869.08 = 107,811.13/x
  3. Step 3: Cross multiply
    198,454.49x = 273,869.08 × 107,811.13
  4. Step 4: Simplify right side
    198,454.49x = 29,526,134,986.86
  5. Step 5: Solve for x
    x = 29,526,134,986.86/198,454.49
  6. Step 6: Final answer
    x = 148,780.39

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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.