Home / 198,263.78-273,604.26-107,619.69

Finding the Fourth Proportional to 198,263.78, 273,604.26 and 107,619.69

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Solution

The fourth proportional to 198,263.78, 273,604.26 and 107,619.69 is: 148,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,263.78 : 273,604.26 = 107,619.69 : x
  2. Step 2: Convert to fraction form
    198,263.78/273,604.26 = 107,619.69/x
  3. Step 3: Cross multiply
    198,263.78x = 273,604.26 × 107,619.69
  4. Step 4: Simplify right side
    198,263.78x = 29,445,205,643.88
  5. Step 5: Solve for x
    x = 29,445,205,643.88/198,263.78
  6. Step 6: Final answer
    x = 148,515.30

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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.