Finding the Fourth Proportional to 125,722.91, 173,497.82 and 68,362.18
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Solution
The fourth proportional to 125,722.91, 173,497.82 and 68,362.18 is: 94,339.92
Step by Step Solution
- Step 1: Write the proportion equation
125,722.91 : 173,497.82 = 68,362.18 : x - Step 2: Convert to fraction form
125,722.91/173,497.82 = 68,362.18/x - Step 3: Cross multiply
125,722.91x = 173,497.82 × 68,362.18 - Step 4: Simplify right side
125,722.91x = 11,860,689,001.70 - Step 5: Solve for x
x = 11,860,689,001.70/125,722.91 - Step 6: Final answer
x = 94,339.92
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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.