Home / 197,687.52-272,794.64-111,620.03

Finding the Fourth Proportional to 197,687.52, 272,794.64 and 111,620.03

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Solution

The fourth proportional to 197,687.52, 272,794.64 and 111,620.03 is: 154,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,687.52 : 272,794.64 = 111,620.03 : x
  2. Step 2: Convert to fraction form
    197,687.52/272,794.64 = 111,620.03/x
  3. Step 3: Cross multiply
    197,687.52x = 272,794.64 × 111,620.03
  4. Step 4: Simplify right side
    197,687.52x = 30,449,343,978.57
  5. Step 5: Solve for x
    x = 30,449,343,978.57/197,687.52
  6. Step 6: Final answer
    x = 154,027.65

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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.