Home / 203,412.22-280,725.44-112,796.60

Finding the Fourth Proportional to 203,412.22, 280,725.44 and 112,796.60

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Solution

The fourth proportional to 203,412.22, 280,725.44 and 112,796.60 is: 155,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,412.22 : 280,725.44 = 112,796.60 : x
  2. Step 2: Convert to fraction form
    203,412.22/280,725.44 = 112,796.60/x
  3. Step 3: Cross multiply
    203,412.22x = 280,725.44 × 112,796.60
  4. Step 4: Simplify right side
    203,412.22x = 31,664,873,197.89
  5. Step 5: Solve for x
    x = 31,664,873,197.89/203,412.22
  6. Step 6: Final answer
    x = 155,668.49

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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.