Home / 255,749.33-352,921.25-142,550.21

Finding the Fourth Proportional to 255,749.33, 352,921.25 and 142,550.21

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Solution

The fourth proportional to 255,749.33, 352,921.25 and 142,550.21 is: 196,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,749.33 : 352,921.25 = 142,550.21 : x
  2. Step 2: Convert to fraction form
    255,749.33/352,921.25 = 142,550.21/x
  3. Step 3: Cross multiply
    255,749.33x = 352,921.25 × 142,550.21
  4. Step 4: Simplify right side
    255,749.33x = 50,308,997,588.21
  5. Step 5: Solve for x
    x = 50,308,997,588.21/255,749.33
  6. Step 6: Final answer
    x = 196,712.14

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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.