Finding the Fourth Proportional to 117,301.02, 161,883.99 and 66,998.94
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Solution
The fourth proportional to 117,301.02, 161,883.99 and 66,998.94 is: 92,463.44
Step by Step Solution
- Step 1: Write the proportion equation
117,301.02 : 161,883.99 = 66,998.94 : x - Step 2: Convert to fraction form
117,301.02/161,883.99 = 66,998.94/x - Step 3: Cross multiply
117,301.02x = 161,883.99 × 66,998.94 - Step 4: Simplify right side
117,301.02x = 10,846,055,732.97 - Step 5: Solve for x
x = 10,846,055,732.97/117,301.02 - Step 6: Final answer
x = 92,463.44
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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.