Home / 68,208.42-102,278.91-41,218.56

Finding the Fourth Proportional to 68,208.42, 102,278.91 and 41,218.56

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Solution

The fourth proportional to 68,208.42, 102,278.91 and 41,218.56 is: 61,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,208.42 : 102,278.91 = 41,218.56 : x
  2. Step 2: Convert to fraction form
    68,208.42/102,278.91 = 41,218.56/x
  3. Step 3: Cross multiply
    68,208.42x = 102,278.91 × 41,218.56
  4. Step 4: Simplify right side
    68,208.42x = 4,215,789,388.57
  5. Step 5: Solve for x
    x = 4,215,789,388.57/68,208.42
  6. Step 6: Final answer
    x = 61,807.46

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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.