Home / 197,103.20-272,002.44-107,679.20

Finding the Fourth Proportional to 197,103.20, 272,002.44 and 107,679.20

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Solution

The fourth proportional to 197,103.20, 272,002.44 and 107,679.20 is: 148,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,103.20 : 272,002.44 = 107,679.20 : x
  2. Step 2: Convert to fraction form
    197,103.20/272,002.44 = 107,679.20/x
  3. Step 3: Cross multiply
    197,103.20x = 272,002.44 × 107,679.20
  4. Step 4: Simplify right side
    197,103.20x = 29,289,003,777.24
  5. Step 5: Solve for x
    x = 29,289,003,777.24/197,103.20
  6. Step 6: Final answer
    x = 148,597.31

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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.