Home / 172,724.85-259,087.26-67,470

Finding the Fourth Proportional to 172,724.85, 259,087.26 and 67,470

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Solution

The fourth proportional to 172,724.85, 259,087.26 and 67,470 is: 101,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,724.85 : 259,087.26 = 67,470 : x
  2. Step 2: Convert to fraction form
    172,724.85/259,087.26 = 67,470/x
  3. Step 3: Cross multiply
    172,724.85x = 259,087.26 × 67,470
  4. Step 4: Simplify right side
    172,724.85x = 17,480,617,432.20
  5. Step 5: Solve for x
    x = 17,480,617,432.20/172,724.85
  6. Step 6: Final answer
    x = 101,204.99

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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.