Finding the Fourth Proportional to 155,163.42, 214,125.66 and 88,095.42
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Solution
The fourth proportional to 155,163.42, 214,125.66 and 88,095.42 is: 121,571.76
Step by Step Solution
- Step 1: Write the proportion equation
155,163.42 : 214,125.66 = 88,095.42 : x - Step 2: Convert to fraction form
155,163.42/214,125.66 = 88,095.42/x - Step 3: Cross multiply
155,163.42x = 214,125.66 × 88,095.42 - Step 4: Simplify right side
155,163.42x = 18,863,489,950.48 - Step 5: Solve for x
x = 18,863,489,950.48/155,163.42 - Step 6: Final answer
x = 121,571.76
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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.