Home / 219,940.68-303,514.26-133,868.52

Finding the Fourth Proportional to 219,940.68, 303,514.26 and 133,868.52

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Solution

The fourth proportional to 219,940.68, 303,514.26 and 133,868.52 is: 184,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,940.68 : 303,514.26 = 133,868.52 : x
  2. Step 2: Convert to fraction form
    219,940.68/303,514.26 = 133,868.52/x
  3. Step 3: Cross multiply
    219,940.68x = 303,514.26 × 133,868.52
  4. Step 4: Simplify right side
    219,940.68x = 40,631,004,785.10
  5. Step 5: Solve for x
    x = 40,631,004,785.10/219,940.68
  6. Step 6: Final answer
    x = 184,736.20

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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.