Finding the Fourth Proportional to 121,267.29, 167,362.05 and 66,825.08
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Solution
The fourth proportional to 121,267.29, 167,362.05 and 66,825.08 is: 92,225.87
Step by Step Solution
- Step 1: Write the proportion equation
121,267.29 : 167,362.05 = 66,825.08 : x - Step 2: Convert to fraction form
121,267.29/167,362.05 = 66,825.08/x - Step 3: Cross multiply
121,267.29x = 167,362.05 × 66,825.08 - Step 4: Simplify right side
121,267.29x = 11,183,981,543.40 - Step 5: Solve for x
x = 11,183,981,543.40/121,267.29 - Step 6: Final answer
x = 92,225.87
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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.