Home / 149,643.20-223,816.80-133,961.60

Finding the Fourth Proportional to 149,643.20, 223,816.80 and 133,961.60

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Solution

The fourth proportional to 149,643.20, 223,816.80 and 133,961.60 is: 200,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,643.20 : 223,816.80 = 133,961.60 : x
  2. Step 2: Convert to fraction form
    149,643.20/223,816.80 = 133,961.60/x
  3. Step 3: Cross multiply
    149,643.20x = 223,816.80 × 133,961.60
  4. Step 4: Simplify right side
    149,643.20x = 29,982,856,634.88
  5. Step 5: Solve for x
    x = 29,982,856,634.88/149,643.20
  6. Step 6: Final answer
    x = 200,362.31

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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.