Home / 136,516.69-204,867.23-47,770.97

Finding the Fourth Proportional to 136,516.69, 204,867.23 and 47,770.97

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Solution

The fourth proportional to 136,516.69, 204,867.23 and 47,770.97 is: 71,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,516.69 : 204,867.23 = 47,770.97 : x
  2. Step 2: Convert to fraction form
    136,516.69/204,867.23 = 47,770.97/x
  3. Step 3: Cross multiply
    136,516.69x = 204,867.23 × 47,770.97
  4. Step 4: Simplify right side
    136,516.69x = 9,786,705,035.12
  5. Step 5: Solve for x
    x = 9,786,705,035.12/136,516.69
  6. Step 6: Final answer
    x = 71,688.71

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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.