Home / 172,906.04-259,285.62-67,708.28

Finding the Fourth Proportional to 172,906.04, 259,285.62 and 67,708.28

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Solution

The fourth proportional to 172,906.04, 259,285.62 and 67,708.28 is: 101,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,906.04 : 259,285.62 = 67,708.28 : x
  2. Step 2: Convert to fraction form
    172,906.04/259,285.62 = 67,708.28/x
  3. Step 3: Cross multiply
    172,906.04x = 259,285.62 × 67,708.28
  4. Step 4: Simplify right side
    172,906.04x = 17,555,783,358.93
  5. Step 5: Solve for x
    x = 17,555,783,358.93/172,906.04
  6. Step 6: Final answer
    x = 101,533.66

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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.