Home / 197,213.52-272,154.64-107,789.52

Finding the Fourth Proportional to 197,213.52, 272,154.64 and 107,789.52

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Solution

The fourth proportional to 197,213.52, 272,154.64 and 107,789.52 is: 148,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,213.52 : 272,154.64 = 107,789.52 : x
  2. Step 2: Convert to fraction form
    197,213.52/272,154.64 = 107,789.52/x
  3. Step 3: Cross multiply
    197,213.52x = 272,154.64 × 107,789.52
  4. Step 4: Simplify right side
    197,213.52x = 29,335,418,011.37
  5. Step 5: Solve for x
    x = 29,335,418,011.37/197,213.52
  6. Step 6: Final answer
    x = 148,749.53

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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.