Home / 203,018.20-304,493.70-68,080.60

Finding the Fourth Proportional to 203,018.20, 304,493.70 and 68,080.60

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Solution

The fourth proportional to 203,018.20, 304,493.70 and 68,080.60 is: 102,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,018.20 : 304,493.70 = 68,080.60 : x
  2. Step 2: Convert to fraction form
    203,018.20/304,493.70 = 68,080.60/x
  3. Step 3: Cross multiply
    203,018.20x = 304,493.70 × 68,080.60
  4. Step 4: Simplify right side
    203,018.20x = 20,730,113,792.22
  5. Step 5: Solve for x
    x = 20,730,113,792.22/203,018.20
  6. Step 6: Final answer
    x = 102,109.63

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1.5x scale

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.