Home / 189,247.46-283,916.75-70,919.82

Finding the Fourth Proportional to 189,247.46, 283,916.75 and 70,919.82

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Solution

The fourth proportional to 189,247.46, 283,916.75 and 70,919.82 is: 106,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,247.46 : 283,916.75 = 70,919.82 : x
  2. Step 2: Convert to fraction form
    189,247.46/283,916.75 = 70,919.82/x
  3. Step 3: Cross multiply
    189,247.46x = 283,916.75 × 70,919.82
  4. Step 4: Simplify right side
    189,247.46x = 20,135,324,450.39
  5. Step 5: Solve for x
    x = 20,135,324,450.39/189,247.46
  6. Step 6: Final answer
    x = 106,396.80

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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.