Finding the Fourth Proportional to 125,513.96, 173,166.48 and 80,218.08
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Solution
The fourth proportional to 125,513.96, 173,166.48 and 80,218.08 is: 110,673.61
Step by Step Solution
- Step 1: Write the proportion equation
125,513.96 : 173,166.48 = 80,218.08 : x - Step 2: Convert to fraction form
125,513.96/173,166.48 = 80,218.08/x - Step 3: Cross multiply
125,513.96x = 173,166.48 × 80,218.08 - Step 4: Simplify right side
125,513.96x = 13,891,082,545.96 - Step 5: Solve for x
x = 13,891,082,545.96/125,513.96 - Step 6: Final answer
x = 110,673.61
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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.