Finding the Fourth Proportional to 134,904.57, 202,186.73 and 68,361.45
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Solution
The fourth proportional to 134,904.57, 202,186.73 and 68,361.45 is: 102,455.96
Step by Step Solution
- Step 1: Write the proportion equation
134,904.57 : 202,186.73 = 68,361.45 : x - Step 2: Convert to fraction form
134,904.57/202,186.73 = 68,361.45/x - Step 3: Cross multiply
134,904.57x = 202,186.73 × 68,361.45 - Step 4: Simplify right side
134,904.57x = 13,821,777,691.75 - Step 5: Solve for x
x = 13,821,777,691.75/134,904.57 - Step 6: Final answer
x = 102,455.96
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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.