Home / 166,726.28-250,013.78-71,911.66

Finding the Fourth Proportional to 166,726.28, 250,013.78 and 71,911.66

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Solution

The fourth proportional to 166,726.28, 250,013.78 and 71,911.66 is: 107,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,726.28 : 250,013.78 = 71,911.66 : x
  2. Step 2: Convert to fraction form
    166,726.28/250,013.78 = 71,911.66/x
  3. Step 3: Cross multiply
    166,726.28x = 250,013.78 × 71,911.66
  4. Step 4: Simplify right side
    166,726.28x = 17,978,905,942.67
  5. Step 5: Solve for x
    x = 17,978,905,942.67/166,726.28
  6. Step 6: Final answer
    x = 107,834.87

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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.