Home / 198,274.82-273,619.35-107,630.69

Finding the Fourth Proportional to 198,274.82, 273,619.35 and 107,630.69

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Solution

The fourth proportional to 198,274.82, 273,619.35 and 107,630.69 is: 148,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,274.82 : 273,619.35 = 107,630.69 : x
  2. Step 2: Convert to fraction form
    198,274.82/273,619.35 = 107,630.69/x
  3. Step 3: Cross multiply
    198,274.82x = 273,619.35 × 107,630.69
  4. Step 4: Simplify right side
    198,274.82x = 29,449,838,069.75
  5. Step 5: Solve for x
    x = 29,449,838,069.75/198,274.82
  6. Step 6: Final answer
    x = 148,530.40

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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.