Home / 150,336.45-225,506.57-45,149.31

Finding the Fourth Proportional to 150,336.45, 225,506.57 and 45,149.31

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Solution

The fourth proportional to 150,336.45, 225,506.57 and 45,149.31 is: 67,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,336.45 : 225,506.57 = 45,149.31 : x
  2. Step 2: Convert to fraction form
    150,336.45/225,506.57 = 45,149.31/x
  3. Step 3: Cross multiply
    150,336.45x = 225,506.57 × 45,149.31
  4. Step 4: Simplify right side
    150,336.45x = 10,181,465,810.22
  5. Step 5: Solve for x
    x = 10,181,465,810.22/150,336.45
  6. Step 6: Final answer
    x = 67,724.53

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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.