Finding the Fourth Proportional to 106,765.70, 160,166.97 and 43,620.14
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Solution
The fourth proportional to 106,765.70, 160,166.97 and 43,620.14 is: 65,437.74
Step by Step Solution
- Step 1: Write the proportion equation
106,765.70 : 160,166.97 = 43,620.14 : x - Step 2: Convert to fraction form
106,765.70/160,166.97 = 43,620.14/x - Step 3: Cross multiply
106,765.70x = 160,166.97 × 43,620.14 - Step 4: Simplify right side
106,765.70x = 6,986,505,654.78 - Step 5: Solve for x
x = 6,986,505,654.78/106,765.70 - Step 6: Final answer
x = 65,437.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.