Home / 68,184.87-102,293.42-21,437.75

Finding the Fourth Proportional to 68,184.87, 102,293.42 and 21,437.75

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Solution

The fourth proportional to 68,184.87, 102,293.42 and 21,437.75 is: 32,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184.87 : 102,293.42 = 21,437.75 : x
  2. Step 2: Convert to fraction form
    68,184.87/102,293.42 = 21,437.75/x
  3. Step 3: Cross multiply
    68,184.87x = 102,293.42 × 21,437.75
  4. Step 4: Simplify right side
    68,184.87x = 2,192,940,145.95
  5. Step 5: Solve for x
    x = 2,192,940,145.95/68,184.87
  6. Step 6: Final answer
    x = 32,161.68

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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.