Home / 231,917.80-347,876.70-113,819.80

Finding the Fourth Proportional to 231,917.80, 347,876.70 and 113,819.80

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Solution

The fourth proportional to 231,917.80, 347,876.70 and 113,819.80 is: 170,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,917.80 : 347,876.70 = 113,819.80 : x
  2. Step 2: Convert to fraction form
    231,917.80/347,876.70 = 113,819.80/x
  3. Step 3: Cross multiply
    231,917.80x = 347,876.70 × 113,819.80
  4. Step 4: Simplify right side
    231,917.80x = 39,595,256,418.66
  5. Step 5: Solve for x
    x = 39,595,256,418.66/231,917.80
  6. Step 6: Final answer
    x = 170,729.70

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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.