Home / 110,255.40-165,466.31-80,749.73

Finding the Fourth Proportional to 110,255.40, 165,466.31 and 80,749.73

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Solution

The fourth proportional to 110,255.40, 165,466.31 and 80,749.73 is: 121,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,255.40 : 165,466.31 = 80,749.73 : x
  2. Step 2: Convert to fraction form
    110,255.40/165,466.31 = 80,749.73/x
  3. Step 3: Cross multiply
    110,255.40x = 165,466.31 × 80,749.73
  4. Step 4: Simplify right side
    110,255.40x = 13,361,358,625.52
  5. Step 5: Solve for x
    x = 13,361,358,625.52/110,255.40
  6. Step 6: Final answer
    x = 121,185.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.