Home / 197,341.93-272,456.39-136,891.42

Finding the Fourth Proportional to 197,341.93, 272,456.39 and 136,891.42

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Solution

The fourth proportional to 197,341.93, 272,456.39 and 136,891.42 is: 188,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,341.93 : 272,456.39 = 136,891.42 : x
  2. Step 2: Convert to fraction form
    197,341.93/272,456.39 = 136,891.42/x
  3. Step 3: Cross multiply
    197,341.93x = 272,456.39 × 136,891.42
  4. Step 4: Simplify right side
    197,341.93x = 37,296,942,115.17
  5. Step 5: Solve for x
    x = 37,296,942,115.17/197,341.93
  6. Step 6: Final answer
    x = 188,996.54

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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.