Finding the Fourth Proportional to 122,010.76, 168,377.70 and 68,294.44
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Solution
The fourth proportional to 122,010.76, 168,377.70 and 68,294.44 is: 94,247.92
Step by Step Solution
- Step 1: Write the proportion equation
122,010.76 : 168,377.70 = 68,294.44 : x - Step 2: Convert to fraction form
122,010.76/168,377.70 = 68,294.44/x - Step 3: Cross multiply
122,010.76x = 168,377.70 × 68,294.44 - Step 4: Simplify right side
122,010.76x = 11,499,260,729.99 - Step 5: Solve for x
x = 11,499,260,729.99/122,010.76 - Step 6: Final answer
x = 94,247.92
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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.