Home / 171,900.26-257,903.18-82,057.61

Finding the Fourth Proportional to 171,900.26, 257,903.18 and 82,057.61

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Solution

The fourth proportional to 171,900.26, 257,903.18 and 82,057.61 is: 123,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,900.26 : 257,903.18 = 82,057.61 : x
  2. Step 2: Convert to fraction form
    171,900.26/257,903.18 = 82,057.61/x
  3. Step 3: Cross multiply
    171,900.26x = 257,903.18 × 82,057.61
  4. Step 4: Simplify right side
    171,900.26x = 21,162,918,562.20
  5. Step 5: Solve for x
    x = 21,162,918,562.20/171,900.26
  6. Step 6: Final answer
    x = 123,111.61

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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.