Home / 198,510.50-273,944.84-107,867.55

Finding the Fourth Proportional to 198,510.50, 273,944.84 and 107,867.55

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Solution

The fourth proportional to 198,510.50, 273,944.84 and 107,867.55 is: 148,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,510.50 : 273,944.84 = 107,867.55 : x
  2. Step 2: Convert to fraction form
    198,510.50/273,944.84 = 107,867.55/x
  3. Step 3: Cross multiply
    198,510.50x = 273,944.84 × 107,867.55
  4. Step 4: Simplify right side
    198,510.50x = 29,549,757,672.96
  5. Step 5: Solve for x
    x = 29,549,757,672.96/198,510.50
  6. Step 6: Final answer
    x = 148,857.41

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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.