Home / 203,483.24-305,268.60-68,560.72

Finding the Fourth Proportional to 203,483.24, 305,268.60 and 68,560.72

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Solution

The fourth proportional to 203,483.24, 305,268.60 and 68,560.72 is: 102,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,483.24 : 305,268.60 = 68,560.72 : x
  2. Step 2: Convert to fraction form
    203,483.24/305,268.60 = 68,560.72/x
  3. Step 3: Cross multiply
    203,483.24x = 305,268.60 × 68,560.72
  4. Step 4: Simplify right side
    203,483.24x = 20,929,435,009.39
  5. Step 5: Solve for x
    x = 20,929,435,009.39/203,483.24
  6. Step 6: Final answer
    x = 102,855.82

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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.