Home / 203,202.01-304,990.13-103,433.50

Finding the Fourth Proportional to 203,202.01, 304,990.13 and 103,433.50

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Solution

The fourth proportional to 203,202.01, 304,990.13 and 103,433.50 is: 155,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,202.01 : 304,990.13 = 103,433.50 : x
  2. Step 2: Convert to fraction form
    203,202.01/304,990.13 = 103,433.50/x
  3. Step 3: Cross multiply
    203,202.01x = 304,990.13 × 103,433.50
  4. Step 4: Simplify right side
    203,202.01x = 31,546,196,611.36
  5. Step 5: Solve for x
    x = 31,546,196,611.36/203,202.01
  6. Step 6: Final answer
    x = 155,245.49

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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.