Home / 251,819.94-347,513.61-137,099.37

Finding the Fourth Proportional to 251,819.94, 347,513.61 and 137,099.37

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Solution

The fourth proportional to 251,819.94, 347,513.61 and 137,099.37 is: 189,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,819.94 : 347,513.61 = 137,099.37 : x
  2. Step 2: Convert to fraction form
    251,819.94/347,513.61 = 137,099.37/x
  3. Step 3: Cross multiply
    251,819.94x = 347,513.61 × 137,099.37
  4. Step 4: Simplify right side
    251,819.94x = 47,643,896,997.43
  5. Step 5: Solve for x
    x = 47,643,896,997.43/251,819.94
  6. Step 6: Final answer
    x = 189,198.27

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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.