Home / 151,568.30-227,024.40-81,365.60

Finding the Fourth Proportional to 151,568.30, 227,024.40 and 81,365.60

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Solution

The fourth proportional to 151,568.30, 227,024.40 and 81,365.60 is: 121,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,568.30 : 227,024.40 = 81,365.60 : x
  2. Step 2: Convert to fraction form
    151,568.30/227,024.40 = 81,365.60/x
  3. Step 3: Cross multiply
    151,568.30x = 227,024.40 × 81,365.60
  4. Step 4: Simplify right side
    151,568.30x = 18,471,976,520.64
  5. Step 5: Solve for x
    x = 18,471,976,520.64/151,568.30
  6. Step 6: Final answer
    x = 121,872.29

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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.