Home / 136,632.60-204,906.78-47,869.56

Finding the Fourth Proportional to 136,632.60, 204,906.78 and 47,869.56

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Solution

The fourth proportional to 136,632.60, 204,906.78 and 47,869.56 is: 71,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,632.60 : 204,906.78 = 47,869.56 : x
  2. Step 2: Convert to fraction form
    136,632.60/204,906.78 = 47,869.56/x
  3. Step 3: Cross multiply
    136,632.60x = 204,906.78 × 47,869.56
  4. Step 4: Simplify right side
    136,632.60x = 9,808,797,399.62
  5. Step 5: Solve for x
    x = 9,808,797,399.62/136,632.60
  6. Step 6: Final answer
    x = 71,789.58

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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.