Home / 171,982.82-257,711.22-72,088.56

Finding the Fourth Proportional to 171,982.82, 257,711.22 and 72,088.56

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Solution

The fourth proportional to 171,982.82, 257,711.22 and 72,088.56 is: 108,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,982.82 : 257,711.22 = 72,088.56 : x
  2. Step 2: Convert to fraction form
    171,982.82/257,711.22 = 72,088.56/x
  3. Step 3: Cross multiply
    171,982.82x = 257,711.22 × 72,088.56
  4. Step 4: Simplify right side
    171,982.82x = 18,578,030,745.64
  5. Step 5: Solve for x
    x = 18,578,030,745.64/171,982.82
  6. Step 6: Final answer
    x = 108,022.59

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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.