Home / 218,085.05-327,127.16-68,336.82

Finding the Fourth Proportional to 218,085.05, 327,127.16 and 68,336.82

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Solution

The fourth proportional to 218,085.05, 327,127.16 and 68,336.82 is: 102,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,085.05 : 327,127.16 = 68,336.82 : x
  2. Step 2: Convert to fraction form
    218,085.05/327,127.16 = 68,336.82/x
  3. Step 3: Cross multiply
    218,085.05x = 327,127.16 × 68,336.82
  4. Step 4: Simplify right side
    218,085.05x = 22,354,828,214.40
  5. Step 5: Solve for x
    x = 22,354,828,214.40/218,085.05
  6. Step 6: Final answer
    x = 102,505.09

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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.