Home / 255,436.22-352,512.92-142,258.97

Finding the Fourth Proportional to 255,436.22, 352,512.92 and 142,258.97

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Solution

The fourth proportional to 255,436.22, 352,512.92 and 142,258.97 is: 196,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,436.22 : 352,512.92 = 142,258.97 : x
  2. Step 2: Convert to fraction form
    255,436.22/352,512.92 = 142,258.97/x
  3. Step 3: Cross multiply
    255,436.22x = 352,512.92 × 142,258.97
  4. Step 4: Simplify right side
    255,436.22x = 50,148,124,910.89
  5. Step 5: Solve for x
    x = 50,148,124,910.89/255,436.22
  6. Step 6: Final answer
    x = 196,323.47

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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.