Finding the Fourth Proportional to 160,161.20, 240,386.67 and 85,344.53
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Solution
The fourth proportional to 160,161.20, 240,386.67 and 85,344.53 is: 128,093.99
Step by Step Solution
- Step 1: Write the proportion equation
160,161.20 : 240,386.67 = 85,344.53 : x - Step 2: Convert to fraction form
160,161.20/240,386.67 = 85,344.53/x - Step 3: Cross multiply
160,161.20x = 240,386.67 × 85,344.53 - Step 4: Simplify right side
160,161.20x = 20,515,686,167.48 - Step 5: Solve for x
x = 20,515,686,167.48/160,161.20 - Step 6: Final answer
x = 128,093.99
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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.