Finding the Fourth Proportional to 116,474.14, 160,733.48 and 66,173.14
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Solution
The fourth proportional to 116,474.14, 160,733.48 and 66,173.14 is: 91,318.46
Step by Step Solution
- Step 1: Write the proportion equation
116,474.14 : 160,733.48 = 66,173.14 : x - Step 2: Convert to fraction form
116,474.14/160,733.48 = 66,173.14/x - Step 3: Cross multiply
116,474.14x = 160,733.48 × 66,173.14 - Step 4: Simplify right side
116,474.14x = 10,636,239,074.73 - Step 5: Solve for x
x = 10,636,239,074.73/116,474.14 - Step 6: Final answer
x = 91,318.46
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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.