Home / 252,108.25-347,916.68-138,938.29

Finding the Fourth Proportional to 252,108.25, 347,916.68 and 138,938.29

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Solution

The fourth proportional to 252,108.25, 347,916.68 and 138,938.29 is: 191,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,108.25 : 347,916.68 = 138,938.29 : x
  2. Step 2: Convert to fraction form
    252,108.25/347,916.68 = 138,938.29/x
  3. Step 3: Cross multiply
    252,108.25x = 347,916.68 × 138,938.29
  4. Step 4: Simplify right side
    252,108.25x = 48,338,948,581.68
  5. Step 5: Solve for x
    x = 48,338,948,581.68/252,108.25
  6. Step 6: Final answer
    x = 191,738.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.