Finding the Fourth Proportional to 115,670.13, 173,082.66 and 68,307.62
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Solution
The fourth proportional to 115,670.13, 173,082.66 and 68,307.62 is: 102,211.90
Step by Step Solution
- Step 1: Write the proportion equation
115,670.13 : 173,082.66 = 68,307.62 : x - Step 2: Convert to fraction form
115,670.13/173,082.66 = 68,307.62/x - Step 3: Cross multiply
115,670.13x = 173,082.66 × 68,307.62 - Step 4: Simplify right side
115,670.13x = 11,822,863,702.46 - Step 5: Solve for x
x = 11,822,863,702.46/115,670.13 - Step 6: Final answer
x = 102,211.90
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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.