Finding the Fourth Proportional to 121,150.54, 167,186.51 and 66,700.99
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Solution
The fourth proportional to 121,150.54, 167,186.51 and 66,700.99 is: 92,046.68
Step by Step Solution
- Step 1: Write the proportion equation
121,150.54 : 167,186.51 = 66,700.99 : x - Step 2: Convert to fraction form
121,150.54/167,186.51 = 66,700.99/x - Step 3: Cross multiply
121,150.54x = 167,186.51 × 66,700.99 - Step 4: Simplify right side
121,150.54x = 11,151,505,230.30 - Step 5: Solve for x
x = 11,151,505,230.30/121,150.54 - Step 6: Final answer
x = 92,046.68
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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.