Home / 255,349.26-352,394.55-142,169.58

Finding the Fourth Proportional to 255,349.26, 352,394.55 and 142,169.58

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Solution

The fourth proportional to 255,349.26, 352,394.55 and 142,169.58 is: 196,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,349.26 : 352,394.55 = 142,169.58 : x
  2. Step 2: Convert to fraction form
    255,349.26/352,394.55 = 142,169.58/x
  3. Step 3: Cross multiply
    255,349.26x = 352,394.55 × 142,169.58
  4. Step 4: Simplify right side
    255,349.26x = 50,099,785,167.79
  5. Step 5: Solve for x
    x = 50,099,785,167.79/255,349.26
  6. Step 6: Final answer
    x = 196,201.02

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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.