Home / 172,343.20-258,514.32-54,015.04

Finding the Fourth Proportional to 172,343.20, 258,514.32 and 54,015.04

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Solution

The fourth proportional to 172,343.20, 258,514.32 and 54,015.04 is: 81,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,343.20 : 258,514.32 = 54,015.04 : x
  2. Step 2: Convert to fraction form
    172,343.20/258,514.32 = 54,015.04/x
  3. Step 3: Cross multiply
    172,343.20x = 258,514.32 × 54,015.04
  4. Step 4: Simplify right side
    172,343.20x = 13,963,661,335.37
  5. Step 5: Solve for x
    x = 13,963,661,335.37/172,343.20
  6. Step 6: Final answer
    x = 81,022.41

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1.5x scale

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.