Finding the Fourth Proportional to 160,197.33, 220,968.17 and 102,745.65
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Solution
The fourth proportional to 160,197.33, 220,968.17 and 102,745.65 is: 141,722.20
Step by Step Solution
- Step 1: Write the proportion equation
160,197.33 : 220,968.17 = 102,745.65 : x - Step 2: Convert to fraction form
160,197.33/220,968.17 = 102,745.65/x - Step 3: Cross multiply
160,197.33x = 220,968.17 × 102,745.65 - Step 4: Simplify right side
160,197.33x = 22,703,517,742.23 - Step 5: Solve for x
x = 22,703,517,742.23/160,197.33 - Step 6: Final answer
x = 141,722.20
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1.5x scale
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.