Finding the Fourth Proportional to 106,755.18, 160,151.20 and 43,609.62
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Solution
The fourth proportional to 106,755.18, 160,151.20 and 43,609.62 is: 65,421.96
Step by Step Solution
- Step 1: Write the proportion equation
106,755.18 : 160,151.20 = 43,609.62 : x - Step 2: Convert to fraction form
106,755.18/160,151.20 = 43,609.62/x - Step 3: Cross multiply
106,755.18x = 160,151.20 × 43,609.62 - Step 4: Simplify right side
106,755.18x = 6,984,132,974.54 - Step 5: Solve for x
x = 6,984,132,974.54/106,755.18 - Step 6: Final answer
x = 65,421.96
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1.5x scale
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.