Home / 169,738.20-254,388.60-122,936.40

Finding the Fourth Proportional to 169,738.20, 254,388.60 and 122,936.40

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Solution

The fourth proportional to 169,738.20, 254,388.60 and 122,936.40 is: 184,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,738.20 : 254,388.60 = 122,936.40 : x
  2. Step 2: Convert to fraction form
    169,738.20/254,388.60 = 122,936.40/x
  3. Step 3: Cross multiply
    169,738.20x = 254,388.60 × 122,936.40
  4. Step 4: Simplify right side
    169,738.20x = 31,273,618,685.04
  5. Step 5: Solve for x
    x = 31,273,618,685.04/169,738.20
  6. Step 6: Final answer
    x = 184,246.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.