Home / 197,255.76-272,207.88-107,826

Finding the Fourth Proportional to 197,255.76, 272,207.88 and 107,826

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Solution

The fourth proportional to 197,255.76, 272,207.88 and 107,826 is: 148,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,255.76 : 272,207.88 = 107,826 : x
  2. Step 2: Convert to fraction form
    197,255.76/272,207.88 = 107,826/x
  3. Step 3: Cross multiply
    197,255.76x = 272,207.88 × 107,826
  4. Step 4: Simplify right side
    197,255.76x = 29,351,086,868.88
  5. Step 5: Solve for x
    x = 29,351,086,868.88/197,255.76
  6. Step 6: Final answer
    x = 148,797.11

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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.