Home / 203,348.49-305,071.05-70,229.85

Finding the Fourth Proportional to 203,348.49, 305,071.05 and 70,229.85

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Solution

The fourth proportional to 203,348.49, 305,071.05 and 70,229.85 is: 105,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,348.49 : 305,071.05 = 70,229.85 : x
  2. Step 2: Convert to fraction form
    203,348.49/305,071.05 = 70,229.85/x
  3. Step 3: Cross multiply
    203,348.49x = 305,071.05 × 70,229.85
  4. Step 4: Simplify right side
    203,348.49x = 21,425,094,080.84
  5. Step 5: Solve for x
    x = 21,425,094,080.84/203,348.49
  6. Step 6: Final answer
    x = 105,361.46

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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.