Home / 125,407.83-173,067.80-68,821.23

Finding the Fourth Proportional to 125,407.83, 173,067.80 and 68,821.23

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Solution

The fourth proportional to 125,407.83, 173,067.80 and 68,821.23 is: 94,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,407.83 : 173,067.80 = 68,821.23 : x
  2. Step 2: Convert to fraction form
    125,407.83/173,067.80 = 68,821.23/x
  3. Step 3: Cross multiply
    125,407.83x = 173,067.80 × 68,821.23
  4. Step 4: Simplify right side
    125,407.83x = 11,910,738,869.39
  5. Step 5: Solve for x
    x = 11,910,738,869.39/125,407.83
  6. Step 6: Final answer
    x = 94,976.04

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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.