Home / 122,623.26-169,227.87-68,181.54

Finding the Fourth Proportional to 122,623.26, 169,227.87 and 68,181.54

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Solution

The fourth proportional to 122,623.26, 169,227.87 and 68,181.54 is: 94,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,623.26 : 169,227.87 = 68,181.54 : x
  2. Step 2: Convert to fraction form
    122,623.26/169,227.87 = 68,181.54/x
  3. Step 3: Cross multiply
    122,623.26x = 169,227.87 × 68,181.54
  4. Step 4: Simplify right side
    122,623.26x = 11,538,216,787.52
  5. Step 5: Solve for x
    x = 11,538,216,787.52/122,623.26
  6. Step 6: Final answer
    x = 94,094.85

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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.