Home / 68,185.98-102,295.06-21,438.85

Finding the Fourth Proportional to 68,185.98, 102,295.06 and 21,438.85

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Solution

The fourth proportional to 68,185.98, 102,295.06 and 21,438.85 is: 32,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,185.98 : 102,295.06 = 21,438.85 : x
  2. Step 2: Convert to fraction form
    68,185.98/102,295.06 = 21,438.85/x
  3. Step 3: Cross multiply
    68,185.98x = 102,295.06 × 21,438.85
  4. Step 4: Simplify right side
    68,185.98x = 2,193,088,447.08
  5. Step 5: Solve for x
    x = 2,193,088,447.08/68,185.98
  6. Step 6: Final answer
    x = 32,163.33

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1.5x scale

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.