Home / 254,450.38-351,141.83-139,736.42

Finding the Fourth Proportional to 254,450.38, 351,141.83 and 139,736.42

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Solution

The fourth proportional to 254,450.38, 351,141.83 and 139,736.42 is: 192,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,450.38 : 351,141.83 = 139,736.42 : x
  2. Step 2: Convert to fraction form
    254,450.38/351,141.83 = 139,736.42/x
  3. Step 3: Cross multiply
    254,450.38x = 351,141.83 × 139,736.42
  4. Step 4: Simplify right side
    254,450.38x = 49,067,300,830.08
  5. Step 5: Solve for x
    x = 49,067,300,830.08/254,450.38
  6. Step 6: Final answer
    x = 192,836.42

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1.5x scale

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.