Home / 255,383.12-352,375.25-147,946.75

Finding the Fourth Proportional to 255,383.12, 352,375.25 and 147,946.75

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Solution

The fourth proportional to 255,383.12, 352,375.25 and 147,946.75 is: 204,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,383.12 : 352,375.25 = 147,946.75 : x
  2. Step 2: Convert to fraction form
    255,383.12/352,375.25 = 147,946.75/x
  3. Step 3: Cross multiply
    255,383.12x = 352,375.25 × 147,946.75
  4. Step 4: Simplify right side
    255,383.12x = 52,132,771,397.27
  5. Step 5: Solve for x
    x = 52,132,771,397.27/255,383.12
  6. Step 6: Final answer
    x = 204,135.54

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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.