Home / 172,726.20-259,089.30-67,471.36

Finding the Fourth Proportional to 172,726.20, 259,089.30 and 67,471.36

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Solution

The fourth proportional to 172,726.20, 259,089.30 and 67,471.36 is: 101,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,726.20 : 259,089.30 = 67,471.36 : x
  2. Step 2: Convert to fraction form
    172,726.20/259,089.30 = 67,471.36/x
  3. Step 3: Cross multiply
    172,726.20x = 259,089.30 × 67,471.36
  4. Step 4: Simplify right side
    172,726.20x = 17,481,107,432.45
  5. Step 5: Solve for x
    x = 17,481,107,432.45/172,726.20
  6. Step 6: Final answer
    x = 101,207.04

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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.