Finding the Fourth Proportional to 122,622.62, 169,223.67 and 68,908.70
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Solution
The fourth proportional to 122,622.62, 169,223.67 and 68,908.70 is: 95,096.51
Step by Step Solution
- Step 1: Write the proportion equation
122,622.62 : 169,223.67 = 68,908.70 : x - Step 2: Convert to fraction form
122,622.62/169,223.67 = 68,908.70/x - Step 3: Cross multiply
122,622.62x = 169,223.67 × 68,908.70 - Step 4: Simplify right side
122,622.62x = 11,660,983,108.93 - Step 5: Solve for x
x = 11,660,983,108.93/122,622.62 - Step 6: Final answer
x = 95,096.51
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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.