Home / 122,629.45-169,232.04-68,919.37

Finding the Fourth Proportional to 122,629.45, 169,232.04 and 68,919.37

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Solution

The fourth proportional to 122,629.45, 169,232.04 and 68,919.37 is: 95,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,629.45 : 169,232.04 = 68,919.37 : x
  2. Step 2: Convert to fraction form
    122,629.45/169,232.04 = 68,919.37/x
  3. Step 3: Cross multiply
    122,629.45x = 169,232.04 × 68,919.37
  4. Step 4: Simplify right side
    122,629.45x = 11,663,365,580.61
  5. Step 5: Solve for x
    x = 11,663,365,580.61/122,629.45
  6. Step 6: Final answer
    x = 95,110.64

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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.