Home / 68,126.37-102,201.77-28,145.35

Finding the Fourth Proportional to 68,126.37, 102,201.77 and 28,145.35

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Solution

The fourth proportional to 68,126.37, 102,201.77 and 28,145.35 is: 42,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,126.37 : 102,201.77 = 28,145.35 : x
  2. Step 2: Convert to fraction form
    68,126.37/102,201.77 = 28,145.35/x
  3. Step 3: Cross multiply
    68,126.37x = 102,201.77 × 28,145.35
  4. Step 4: Simplify right side
    68,126.37x = 2,876,504,587.27
  5. Step 5: Solve for x
    x = 2,876,504,587.27/68,126.37
  6. Step 6: Final answer
    x = 42,223.07

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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.