Home / 205,670.24-308,512.17-70,732.97

Finding the Fourth Proportional to 205,670.24, 308,512.17 and 70,732.97

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Solution

The fourth proportional to 205,670.24, 308,512.17 and 70,732.97 is: 106,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,670.24 : 308,512.17 = 70,732.97 : x
  2. Step 2: Convert to fraction form
    205,670.24/308,512.17 = 70,732.97/x
  3. Step 3: Cross multiply
    205,670.24x = 308,512.17 × 70,732.97
  4. Step 4: Simplify right side
    205,670.24x = 21,821,980,522.68
  5. Step 5: Solve for x
    x = 21,821,980,522.68/205,670.24
  6. Step 6: Final answer
    x = 106,101.79

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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.