Home / 255,173.25-352,136.31-140,449.44

Finding the Fourth Proportional to 255,173.25, 352,136.31 and 140,449.44

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Solution

The fourth proportional to 255,173.25, 352,136.31 and 140,449.44 is: 193,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,173.25 : 352,136.31 = 140,449.44 : x
  2. Step 2: Convert to fraction form
    255,173.25/352,136.31 = 140,449.44/x
  3. Step 3: Cross multiply
    255,173.25x = 352,136.31 × 140,449.44
  4. Step 4: Simplify right side
    255,173.25x = 49,457,347,146.25
  5. Step 5: Solve for x
    x = 49,457,347,146.25/255,173.25
  6. Step 6: Final answer
    x = 193,818.70

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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.