Home / 251,825.05-347,517.92-138,647.80

Finding the Fourth Proportional to 251,825.05, 347,517.92 and 138,647.80

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Solution

The fourth proportional to 251,825.05, 347,517.92 and 138,647.80 is: 191,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,825.05 : 347,517.92 = 138,647.80 : x
  2. Step 2: Convert to fraction form
    251,825.05/347,517.92 = 138,647.80/x
  3. Step 3: Cross multiply
    251,825.05x = 347,517.92 × 138,647.80
  4. Step 4: Simplify right side
    251,825.05x = 48,182,594,546.40
  5. Step 5: Solve for x
    x = 48,182,594,546.40/251,825.05
  6. Step 6: Final answer
    x = 191,333.61

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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.