Home / 126,029.82-173,919.12-68,669.91

Finding the Fourth Proportional to 126,029.82, 173,919.12 and 68,669.91

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Solution

The fourth proportional to 126,029.82, 173,919.12 and 68,669.91 is: 94,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029.82 : 173,919.12 = 68,669.91 : x
  2. Step 2: Convert to fraction form
    126,029.82/173,919.12 = 68,669.91/x
  3. Step 3: Cross multiply
    126,029.82x = 173,919.12 × 68,669.91
  4. Step 4: Simplify right side
    126,029.82x = 11,943,010,060.17
  5. Step 5: Solve for x
    x = 11,943,010,060.17/126,029.82
  6. Step 6: Final answer
    x = 94,763.36

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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.