Home / 197,479.05-296,338.85-71,108.72

Finding the Fourth Proportional to 197,479.05, 296,338.85 and 71,108.72

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Solution

The fourth proportional to 197,479.05, 296,338.85 and 71,108.72 is: 106,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,479.05 : 296,338.85 = 71,108.72 : x
  2. Step 2: Convert to fraction form
    197,479.05/296,338.85 = 71,108.72/x
  3. Step 3: Cross multiply
    197,479.05x = 296,338.85 × 71,108.72
  4. Step 4: Simplify right side
    197,479.05x = 21,072,276,309.77
  5. Step 5: Solve for x
    x = 21,072,276,309.77/197,479.05
  6. Step 6: Final answer
    x = 106,706.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.