Home / 250,749.39-346,034.16-143,321.73

Finding the Fourth Proportional to 250,749.39, 346,034.16 and 143,321.73

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Solution

The fourth proportional to 250,749.39, 346,034.16 and 143,321.73 is: 197,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,749.39 : 346,034.16 = 143,321.73 : x
  2. Step 2: Convert to fraction form
    250,749.39/346,034.16 = 143,321.73/x
  3. Step 3: Cross multiply
    250,749.39x = 346,034.16 × 143,321.73
  4. Step 4: Simplify right side
    250,749.39x = 49,594,213,733.69
  5. Step 5: Solve for x
    x = 49,594,213,733.69/250,749.39
  6. Step 6: Final answer
    x = 197,783.99

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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.