Home / 110,256.40-165,467.81-80,750.73

Finding the Fourth Proportional to 110,256.40, 165,467.81 and 80,750.73

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Solution

The fourth proportional to 110,256.40, 165,467.81 and 80,750.73 is: 121,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,256.40 : 165,467.81 = 80,750.73 : x
  2. Step 2: Convert to fraction form
    110,256.40/165,467.81 = 80,750.73/x
  3. Step 3: Cross multiply
    110,256.40x = 165,467.81 × 80,750.73
  4. Step 4: Simplify right side
    110,256.40x = 13,361,646,449.00
  5. Step 5: Solve for x
    x = 13,361,646,449.00/110,256.40
  6. Step 6: Final answer
    x = 121,187.04

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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.