Finding the Fourth Proportional to 107,108.66, 160,465.93 and 67,120.19
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Solution
The fourth proportional to 107,108.66, 160,465.93 and 67,120.19 is: 100,556.80
Step by Step Solution
- Step 1: Write the proportion equation
107,108.66 : 160,465.93 = 67,120.19 : x - Step 2: Convert to fraction form
107,108.66/160,465.93 = 67,120.19/x - Step 3: Cross multiply
107,108.66x = 160,465.93 × 67,120.19 - Step 4: Simplify right side
107,108.66x = 10,770,503,710.13 - Step 5: Solve for x
x = 10,770,503,710.13/107,108.66 - Step 6: Final answer
x = 100,556.80
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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.