Home / 255,845.34-353,067.96-141,128.04

Finding the Fourth Proportional to 255,845.34, 353,067.96 and 141,128.04

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Solution

The fourth proportional to 255,845.34, 353,067.96 and 141,128.04 is: 194,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,845.34 : 353,067.96 = 141,128.04 : x
  2. Step 2: Convert to fraction form
    255,845.34/353,067.96 = 141,128.04/x
  3. Step 3: Cross multiply
    255,845.34x = 353,067.96 × 141,128.04
  4. Step 4: Simplify right side
    255,845.34x = 49,827,789,181.60
  5. Step 5: Solve for x
    x = 49,827,789,181.60/255,845.34
  6. Step 6: Final answer
    x = 194,757.46

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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.