Home / 255,258.78-352,277.91-142,083.42

Finding the Fourth Proportional to 255,258.78, 352,277.91 and 142,083.42

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Solution

The fourth proportional to 255,258.78, 352,277.91 and 142,083.42 is: 196,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,258.78 : 352,277.91 = 142,083.42 : x
  2. Step 2: Convert to fraction form
    255,258.78/352,277.91 = 142,083.42/x
  3. Step 3: Cross multiply
    255,258.78x = 352,277.91 × 142,083.42
  4. Step 4: Simplify right side
    255,258.78x = 50,052,850,243.25
  5. Step 5: Solve for x
    x = 50,052,850,243.25/255,258.78
  6. Step 6: Final answer
    x = 196,086.69

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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.