Home / 75,217.82-112,797.57-40,138.34

Finding the Fourth Proportional to 75,217.82, 112,797.57 and 40,138.34

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Solution

The fourth proportional to 75,217.82, 112,797.57 and 40,138.34 is: 60,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.82 : 112,797.57 = 40,138.34 : x
  2. Step 2: Convert to fraction form
    75,217.82/112,797.57 = 40,138.34/x
  3. Step 3: Cross multiply
    75,217.82x = 112,797.57 × 40,138.34
  4. Step 4: Simplify right side
    75,217.82x = 4,527,507,215.83
  5. Step 5: Solve for x
    x = 4,527,507,215.83/75,217.82
  6. Step 6: Final answer
    x = 60,191.95

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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.