Home / 138,744.57-191,396.94-84,282.27

Finding the Fourth Proportional to 138,744.57, 191,396.94 and 84,282.27

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Solution

The fourth proportional to 138,744.57, 191,396.94 and 84,282.27 is: 116,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,744.57 : 191,396.94 = 84,282.27 : x
  2. Step 2: Convert to fraction form
    138,744.57/191,396.94 = 84,282.27/x
  3. Step 3: Cross multiply
    138,744.57x = 191,396.94 × 84,282.27
  4. Step 4: Simplify right side
    138,744.57x = 16,131,368,735.59
  5. Step 5: Solve for x
    x = 16,131,368,735.59/138,744.57
  6. Step 6: Final answer
    x = 116,266.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.