Home / 204,120.66-305,605.86-154,041.60

Finding the Fourth Proportional to 204,120.66, 305,605.86 and 154,041.60

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Solution

The fourth proportional to 204,120.66, 305,605.86 and 154,041.60 is: 230,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,120.66 : 305,605.86 = 154,041.60 : x
  2. Step 2: Convert to fraction form
    204,120.66/305,605.86 = 154,041.60/x
  3. Step 3: Cross multiply
    204,120.66x = 305,605.86 × 154,041.60
  4. Step 4: Simplify right side
    204,120.66x = 47,076,015,643.78
  5. Step 5: Solve for x
    x = 47,076,015,643.78/204,120.66
  6. Step 6: Final answer
    x = 230,628.37

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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.