Home / 252,039.72-347,822.82-138,866.52

Finding the Fourth Proportional to 252,039.72, 347,822.82 and 138,866.52

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Solution

The fourth proportional to 252,039.72, 347,822.82 and 138,866.52 is: 191,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,039.72 : 347,822.82 = 138,866.52 : x
  2. Step 2: Convert to fraction form
    252,039.72/347,822.82 = 138,866.52/x
  3. Step 3: Cross multiply
    252,039.72x = 347,822.82 × 138,866.52
  4. Step 4: Simplify right side
    252,039.72x = 48,300,944,589.99
  5. Step 5: Solve for x
    x = 48,300,944,589.99/252,039.72
  6. Step 6: Final answer
    x = 191,640.21

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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.