Finding the Fourth Proportional to 125,976.26, 173,844.63 and 68,616.21
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Solution
The fourth proportional to 125,976.26, 173,844.63 and 68,616.21 is: 94,688.95
Step by Step Solution
- Step 1: Write the proportion equation
125,976.26 : 173,844.63 = 68,616.21 : x - Step 2: Convert to fraction form
125,976.26/173,844.63 = 68,616.21/x - Step 3: Cross multiply
125,976.26x = 173,844.63 × 68,616.21 - Step 4: Simplify right side
125,976.26x = 11,928,560,291.37 - Step 5: Solve for x
x = 11,928,560,291.37/125,976.26 - Step 6: Final answer
x = 94,688.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.