Home / 124,843.03-172,286.43-75,785.23

Finding the Fourth Proportional to 124,843.03, 172,286.43 and 75,785.23

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Solution

The fourth proportional to 124,843.03, 172,286.43 and 75,785.23 is: 104,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.03 : 172,286.43 = 75,785.23 : x
  2. Step 2: Convert to fraction form
    124,843.03/172,286.43 = 75,785.23/x
  3. Step 3: Cross multiply
    124,843.03x = 172,286.43 × 75,785.23
  4. Step 4: Simplify right side
    124,843.03x = 13,056,766,723.43
  5. Step 5: Solve for x
    x = 13,056,766,723.43/124,843.03
  6. Step 6: Final answer
    x = 104,585.47

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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.