Finding the Fourth Proportional to 116,539.66, 161,433.84 and 114,177.70
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Solution
The fourth proportional to 116,539.66, 161,433.84 and 114,177.70 is: 158,161.99
Step by Step Solution
- Step 1: Write the proportion equation
116,539.66 : 161,433.84 = 114,177.70 : x - Step 2: Convert to fraction form
116,539.66/161,433.84 = 114,177.70/x - Step 3: Cross multiply
116,539.66x = 161,433.84 × 114,177.70 - Step 4: Simplify right side
116,539.66x = 18,432,144,553.37 - Step 5: Solve for x
x = 18,432,144,553.37/116,539.66 - Step 6: Final answer
x = 158,161.99
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.