Home / 171,664.20-257,423.40-82,944.90

Finding the Fourth Proportional to 171,664.20, 257,423.40 and 82,944.90

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Solution

The fourth proportional to 171,664.20, 257,423.40 and 82,944.90 is: 124,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,664.20 : 257,423.40 = 82,944.90 : x
  2. Step 2: Convert to fraction form
    171,664.20/257,423.40 = 82,944.90/x
  3. Step 3: Cross multiply
    171,664.20x = 257,423.40 × 82,944.90
  4. Step 4: Simplify right side
    171,664.20x = 21,351,958,170.66
  5. Step 5: Solve for x
    x = 21,351,958,170.66/171,664.20
  6. Step 6: Final answer
    x = 124,382.13

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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.