Home / 231,916.10-347,860.82-137,744.45

Finding the Fourth Proportional to 231,916.10, 347,860.82 and 137,744.45

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Solution

The fourth proportional to 231,916.10, 347,860.82 and 137,744.45 is: 206,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,916.10 : 347,860.82 = 137,744.45 : x
  2. Step 2: Convert to fraction form
    231,916.10/347,860.82 = 137,744.45/x
  3. Step 3: Cross multiply
    231,916.10x = 347,860.82 × 137,744.45
  4. Step 4: Simplify right side
    231,916.10x = 47,915,895,970.53
  5. Step 5: Solve for x
    x = 47,915,895,970.53/231,916.10
  6. Step 6: Final answer
    x = 206,608.75

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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.