Home / 172,571.20-258,856.62-54,252.88

Finding the Fourth Proportional to 172,571.20, 258,856.62 and 54,252.88

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Solution

The fourth proportional to 172,571.20, 258,856.62 and 54,252.88 is: 81,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,571.20 : 258,856.62 = 54,252.88 : x
  2. Step 2: Convert to fraction form
    172,571.20/258,856.62 = 54,252.88/x
  3. Step 3: Cross multiply
    172,571.20x = 258,856.62 × 54,252.88
  4. Step 4: Simplify right side
    172,571.20x = 14,043,717,142.07
  5. Step 5: Solve for x
    x = 14,043,717,142.07/172,571.20
  6. Step 6: Final answer
    x = 81,379.26

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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.