Home / 251,542.66-347,121.62-138,365.41

Finding the Fourth Proportional to 251,542.66, 347,121.62 and 138,365.41

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Solution

The fourth proportional to 251,542.66, 347,121.62 and 138,365.41 is: 190,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,542.66 : 347,121.62 = 138,365.41 : x
  2. Step 2: Convert to fraction form
    251,542.66/347,121.62 = 138,365.41/x
  3. Step 3: Cross multiply
    251,542.66x = 347,121.62 × 138,365.41
  4. Step 4: Simplify right side
    251,542.66x = 48,029,623,535.56
  5. Step 5: Solve for x
    x = 48,029,623,535.56/251,542.66
  6. Step 6: Final answer
    x = 190,940.27

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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.