Finding the Fourth Proportional to 125,616.83, 173,366.19 and 71,919.09
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Solution
The fourth proportional to 125,616.83, 173,366.19 and 71,919.09 is: 99,256.92
Step by Step Solution
- Step 1: Write the proportion equation
125,616.83 : 173,366.19 = 71,919.09 : x - Step 2: Convert to fraction form
125,616.83/173,366.19 = 71,919.09/x - Step 3: Cross multiply
125,616.83x = 173,366.19 × 71,919.09 - Step 4: Simplify right side
125,616.83x = 12,468,338,621.57 - Step 5: Solve for x
x = 12,468,338,621.57/125,616.83 - Step 6: Final answer
x = 99,256.92
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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.