Finding the Fourth Proportional to 112,497.75, 168,663.33 and 68,114.07
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Solution
The fourth proportional to 112,497.75, 168,663.33 and 68,114.07 is: 102,120.67
Step by Step Solution
- Step 1: Write the proportion equation
112,497.75 : 168,663.33 = 68,114.07 : x - Step 2: Convert to fraction form
112,497.75/168,663.33 = 68,114.07/x - Step 3: Cross multiply
112,497.75x = 168,663.33 × 68,114.07 - Step 4: Simplify right side
112,497.75x = 11,488,345,866.05 - Step 5: Solve for x
x = 11,488,345,866.05/112,497.75 - Step 6: Final answer
x = 102,120.67
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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.