Home / 231,976.96-347,880.08-80,135.41

Finding the Fourth Proportional to 231,976.96, 347,880.08 and 80,135.41

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Solution

The fourth proportional to 231,976.96, 347,880.08 and 80,135.41 is: 120,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,976.96 : 347,880.08 = 80,135.41 : x
  2. Step 2: Convert to fraction form
    231,976.96/347,880.08 = 80,135.41/x
  3. Step 3: Cross multiply
    231,976.96x = 347,880.08 × 80,135.41
  4. Step 4: Simplify right side
    231,976.96x = 27,877,512,841.63
  5. Step 5: Solve for x
    x = 27,877,512,841.63/231,976.96
  6. Step 6: Final answer
    x = 120,173.63

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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.