Home / 151,436.25-227,219.97-81,233.55

Finding the Fourth Proportional to 151,436.25, 227,219.97 and 81,233.55

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Solution

The fourth proportional to 151,436.25, 227,219.97 and 81,233.55 is: 121,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,436.25 : 227,219.97 = 81,233.55 : x
  2. Step 2: Convert to fraction form
    151,436.25/227,219.97 = 81,233.55/x
  3. Step 3: Cross multiply
    151,436.25x = 227,219.97 × 81,233.55
  4. Step 4: Simplify right side
    151,436.25x = 18,457,884,793.99
  5. Step 5: Solve for x
    x = 18,457,884,793.99/151,436.25
  6. Step 6: Final answer
    x = 121,885.51

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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.