Home / 231,976.34-347,879.15-80,134.77

Finding the Fourth Proportional to 231,976.34, 347,879.15 and 80,134.77

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Solution

The fourth proportional to 231,976.34, 347,879.15 and 80,134.77 is: 120,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,976.34 : 347,879.15 = 80,134.77 : x
  2. Step 2: Convert to fraction form
    231,976.34/347,879.15 = 80,134.77/x
  3. Step 3: Cross multiply
    231,976.34x = 347,879.15 × 80,134.77
  4. Step 4: Simplify right side
    231,976.34x = 27,877,215,673.05
  5. Step 5: Solve for x
    x = 27,877,215,673.05/231,976.34
  6. Step 6: Final answer
    x = 120,172.67

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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.