Home / 68,125.37-102,200.27-28,144.35

Finding the Fourth Proportional to 68,125.37, 102,200.27 and 28,144.35

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Solution

The fourth proportional to 68,125.37, 102,200.27 and 28,144.35 is: 42,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,125.37 : 102,200.27 = 28,144.35 : x
  2. Step 2: Convert to fraction form
    68,125.37/102,200.27 = 28,144.35/x
  3. Step 3: Cross multiply
    68,125.37x = 102,200.27 × 28,144.35
  4. Step 4: Simplify right side
    68,125.37x = 2,876,360,028.25
  5. Step 5: Solve for x
    x = 2,876,360,028.25/68,125.37
  6. Step 6: Final answer
    x = 42,221.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.