Home / 107,519.00-161,177.70-36,391.86

Finding the Fourth Proportional to 107,519.00, 161,177.70 and 36,391.86

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Solution

The fourth proportional to 107,519.00, 161,177.70 and 36,391.86 is: 54,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,519.00 : 161,177.70 = 36,391.86 : x
  2. Step 2: Convert to fraction form
    107,519.00/161,177.70 = 36,391.86/x
  3. Step 3: Cross multiply
    107,519.00x = 161,177.70 × 36,391.86
  4. Step 4: Simplify right side
    107,519.00x = 5,865,555,771.97
  5. Step 5: Solve for x
    x = 5,865,555,771.97/107,519.00
  6. Step 6: Final answer
    x = 54,553.67

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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.