Home / 231,749.25-319,813.97-125,765.25

Finding the Fourth Proportional to 231,749.25, 319,813.97 and 125,765.25

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Solution

The fourth proportional to 231,749.25, 319,813.97 and 125,765.25 is: 173,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,749.25 : 319,813.97 = 125,765.25 : x
  2. Step 2: Convert to fraction form
    231,749.25/319,813.97 = 125,765.25/x
  3. Step 3: Cross multiply
    231,749.25x = 319,813.97 × 125,765.25
  4. Step 4: Simplify right side
    231,749.25x = 40,221,483,261.72
  5. Step 5: Solve for x
    x = 40,221,483,261.72/231,749.25
  6. Step 6: Final answer
    x = 173,556.05

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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.