Home / 68,191.25-102,286.67-30,707.43

Finding the Fourth Proportional to 68,191.25, 102,286.67 and 30,707.43

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Solution

The fourth proportional to 68,191.25, 102,286.67 and 30,707.43 is: 46,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,191.25 : 102,286.67 = 30,707.43 : x
  2. Step 2: Convert to fraction form
    68,191.25/102,286.67 = 30,707.43/x
  3. Step 3: Cross multiply
    68,191.25x = 102,286.67 × 30,707.43
  4. Step 4: Simplify right side
    68,191.25x = 3,140,960,605.42
  5. Step 5: Solve for x
    x = 3,140,960,605.42/68,191.25
  6. Step 6: Final answer
    x = 46,061.05

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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.