Home / 121,273.60-167,361.72-70,286.44

Finding the Fourth Proportional to 121,273.60, 167,361.72 and 70,286.44

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Solution

The fourth proportional to 121,273.60, 167,361.72 and 70,286.44 is: 96,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,273.60 : 167,361.72 = 70,286.44 : x
  2. Step 2: Convert to fraction form
    121,273.60/167,361.72 = 70,286.44/x
  3. Step 3: Cross multiply
    121,273.60x = 167,361.72 × 70,286.44
  4. Step 4: Simplify right side
    121,273.60x = 11,763,259,491.08
  5. Step 5: Solve for x
    x = 11,763,259,491.08/121,273.60
  6. Step 6: Final answer
    x = 96,997.69

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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.