Home / 212,273.28-292,939.56-121,627.44

Finding the Fourth Proportional to 212,273.28, 292,939.56 and 121,627.44

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Solution

The fourth proportional to 212,273.28, 292,939.56 and 121,627.44 is: 167,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,273.28 : 292,939.56 = 121,627.44 : x
  2. Step 2: Convert to fraction form
    212,273.28/292,939.56 = 121,627.44/x
  3. Step 3: Cross multiply
    212,273.28x = 292,939.56 × 121,627.44
  4. Step 4: Simplify right side
    212,273.28x = 35,629,488,757.53
  5. Step 5: Solve for x
    x = 35,629,488,757.53/212,273.28
  6. Step 6: Final answer
    x = 167,847.26

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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.