Home / 197,715.82-272,849.17-107,071.86

Finding the Fourth Proportional to 197,715.82, 272,849.17 and 107,071.86

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Solution

The fourth proportional to 197,715.82, 272,849.17 and 107,071.86 is: 147,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,715.82 : 272,849.17 = 107,071.86 : x
  2. Step 2: Convert to fraction form
    197,715.82/272,849.17 = 107,071.86/x
  3. Step 3: Cross multiply
    197,715.82x = 272,849.17 × 107,071.86
  4. Step 4: Simplify right side
    197,715.82x = 29,214,468,131.36
  5. Step 5: Solve for x
    x = 29,214,468,131.36/197,715.82
  6. Step 6: Final answer
    x = 147,759.89

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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.