Home / 139,744.38-192,846.74-76,082.16

Finding the Fourth Proportional to 139,744.38, 192,846.74 and 76,082.16

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Solution

The fourth proportional to 139,744.38, 192,846.74 and 76,082.16 is: 104,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,744.38 : 192,846.74 = 76,082.16 : x
  2. Step 2: Convert to fraction form
    139,744.38/192,846.74 = 76,082.16/x
  3. Step 3: Cross multiply
    139,744.38x = 192,846.74 × 76,082.16
  4. Step 4: Simplify right side
    139,744.38x = 14,672,196,528.16
  5. Step 5: Solve for x
    x = 14,672,196,528.16/139,744.38
  6. Step 6: Final answer
    x = 104,993.11

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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.