Home / 124,845.38-172,286.62-68,256.75

Finding the Fourth Proportional to 124,845.38, 172,286.62 and 68,256.75

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Solution

The fourth proportional to 124,845.38, 172,286.62 and 68,256.75 is: 94,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.38 : 172,286.62 = 68,256.75 : x
  2. Step 2: Convert to fraction form
    124,845.38/172,286.62 = 68,256.75/x
  3. Step 3: Cross multiply
    124,845.38x = 172,286.62 × 68,256.75
  4. Step 4: Simplify right side
    124,845.38x = 11,759,724,579.04
  5. Step 5: Solve for x
    x = 11,759,724,579.04/124,845.38
  6. Step 6: Final answer
    x = 94,194.32

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1.5x scale

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.