Home / 197,042.75-271,919.31-112,159.82

Finding the Fourth Proportional to 197,042.75, 271,919.31 and 112,159.82

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Solution

The fourth proportional to 197,042.75, 271,919.31 and 112,159.82 is: 154,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,042.75 : 271,919.31 = 112,159.82 : x
  2. Step 2: Convert to fraction form
    197,042.75/271,919.31 = 112,159.82/x
  3. Step 3: Cross multiply
    197,042.75x = 271,919.31 × 112,159.82
  4. Step 4: Simplify right side
    197,042.75x = 30,498,420,864.12
  5. Step 5: Solve for x
    x = 30,498,420,864.12/197,042.75
  6. Step 6: Final answer
    x = 154,780.73

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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.