Home / 166,903.56-250,419.33-100,390.82

Finding the Fourth Proportional to 166,903.56, 250,419.33 and 100,390.82

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Solution

The fourth proportional to 166,903.56, 250,419.33 and 100,390.82 is: 150,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,903.56 : 250,419.33 = 100,390.82 : x
  2. Step 2: Convert to fraction form
    166,903.56/250,419.33 = 100,390.82/x
  3. Step 3: Cross multiply
    166,903.56x = 250,419.33 × 100,390.82
  4. Step 4: Simplify right side
    166,903.56x = 25,139,800,630.45
  5. Step 5: Solve for x
    x = 25,139,800,630.45/166,903.56
  6. Step 6: Final answer
    x = 150,624.71

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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.