Home / 122,009.76-168,376.32-68,293.44

Finding the Fourth Proportional to 122,009.76, 168,376.32 and 68,293.44

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Solution

The fourth proportional to 122,009.76, 168,376.32 and 68,293.44 is: 94,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,009.76 : 168,376.32 = 68,293.44 : x
  2. Step 2: Convert to fraction form
    122,009.76/168,376.32 = 68,293.44/x
  3. Step 3: Cross multiply
    122,009.76x = 168,376.32 × 68,293.44
  4. Step 4: Simplify right side
    122,009.76x = 11,498,998,107.34
  5. Step 5: Solve for x
    x = 11,498,998,107.34/122,009.76
  6. Step 6: Final answer
    x = 94,246.54

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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.