Home / 124,786.39-172,204.83-68,197.77

Finding the Fourth Proportional to 124,786.39, 172,204.83 and 68,197.77

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Solution

The fourth proportional to 124,786.39, 172,204.83 and 68,197.77 is: 94,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,786.39 : 172,204.83 = 68,197.77 : x
  2. Step 2: Convert to fraction form
    124,786.39/172,204.83 = 68,197.77/x
  3. Step 3: Cross multiply
    124,786.39x = 172,204.83 × 68,197.77
  4. Step 4: Simplify right side
    124,786.39x = 11,743,985,389.23
  5. Step 5: Solve for x
    x = 11,743,985,389.23/124,786.39
  6. Step 6: Final answer
    x = 94,112.71

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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.