Home / 203,105.88-304,459.97-84,811.05

Finding the Fourth Proportional to 203,105.88, 304,459.97 and 84,811.05

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Solution

The fourth proportional to 203,105.88, 304,459.97 and 84,811.05 is: 127,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,105.88 : 304,459.97 = 84,811.05 : x
  2. Step 2: Convert to fraction form
    203,105.88/304,459.97 = 84,811.05/x
  3. Step 3: Cross multiply
    203,105.88x = 304,459.97 × 84,811.05
  4. Step 4: Simplify right side
    203,105.88x = 25,821,569,314.61
  5. Step 5: Solve for x
    x = 25,821,569,314.61/203,105.88
  6. Step 6: Final answer
    x = 127,133.54

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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.