Home / 124,818.36-172,249.09-68,229.73

Finding the Fourth Proportional to 124,818.36, 172,249.09 and 68,229.73

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Solution

The fourth proportional to 124,818.36, 172,249.09 and 68,229.73 is: 94,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.36 : 172,249.09 = 68,229.73 : x
  2. Step 2: Convert to fraction form
    124,818.36/172,249.09 = 68,229.73/x
  3. Step 3: Cross multiply
    124,818.36x = 172,249.09 × 68,229.73
  4. Step 4: Simplify right side
    124,818.36x = 11,752,508,903.45
  5. Step 5: Solve for x
    x = 11,752,508,903.45/124,818.36
  6. Step 6: Final answer
    x = 94,156.89

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1.5x scale

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.