Home / 147,349.44-203,340.96-80,280

Finding the Fourth Proportional to 147,349.44, 203,340.96 and 80,280

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Solution

The fourth proportional to 147,349.44, 203,340.96 and 80,280 is: 110,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,349.44 : 203,340.96 = 80,280 : x
  2. Step 2: Convert to fraction form
    147,349.44/203,340.96 = 80,280/x
  3. Step 3: Cross multiply
    147,349.44x = 203,340.96 × 80,280
  4. Step 4: Simplify right side
    147,349.44x = 16,324,212,268.80
  5. Step 5: Solve for x
    x = 16,324,212,268.80/147,349.44
  6. Step 6: Final answer
    x = 110,785.71

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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.