Home / 197,104.20-272,003.82-107,680.20

Finding the Fourth Proportional to 197,104.20, 272,003.82 and 107,680.20

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Solution

The fourth proportional to 197,104.20, 272,003.82 and 107,680.20 is: 148,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,104.20 : 272,003.82 = 107,680.20 : x
  2. Step 2: Convert to fraction form
    197,104.20/272,003.82 = 107,680.20/x
  3. Step 3: Cross multiply
    197,104.20x = 272,003.82 × 107,680.20
  4. Step 4: Simplify right side
    197,104.20x = 29,289,425,738.36
  5. Step 5: Solve for x
    x = 29,289,425,738.36/197,104.20
  6. Step 6: Final answer
    x = 148,598.69

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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.