Home / 125,977.39-173,852.78-68,618.43

Finding the Fourth Proportional to 125,977.39, 173,852.78 and 68,618.43

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Solution

The fourth proportional to 125,977.39, 173,852.78 and 68,618.43 is: 94,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.39 : 173,852.78 = 68,618.43 : x
  2. Step 2: Convert to fraction form
    125,977.39/173,852.78 = 68,618.43/x
  3. Step 3: Cross multiply
    125,977.39x = 173,852.78 × 68,618.43
  4. Step 4: Simplify right side
    125,977.39x = 11,929,505,380.91
  5. Step 5: Solve for x
    x = 11,929,505,380.91/125,977.39
  6. Step 6: Final answer
    x = 94,695.61

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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.