Home / 197,081.55-271,972.80-112,198.50

Finding the Fourth Proportional to 197,081.55, 271,972.80 and 112,198.50

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Solution

The fourth proportional to 197,081.55, 271,972.80 and 112,198.50 is: 154,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,081.55 : 271,972.80 = 112,198.50 : x
  2. Step 2: Convert to fraction form
    197,081.55/271,972.80 = 112,198.50/x
  3. Step 3: Cross multiply
    197,081.55x = 271,972.80 × 112,198.50
  4. Step 4: Simplify right side
    197,081.55x = 30,514,940,200.80
  5. Step 5: Solve for x
    x = 30,514,940,200.80/197,081.55
  6. Step 6: Final answer
    x = 154,834.08

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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.