Finding the Fourth Proportional to 122,484.26, 169,023.93 and 68,771.54
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Solution
The fourth proportional to 122,484.26, 169,023.93 and 68,771.54 is: 94,902.28
Step by Step Solution
- Step 1: Write the proportion equation
122,484.26 : 169,023.93 = 68,771.54 : x - Step 2: Convert to fraction form
122,484.26/169,023.93 = 68,771.54/x - Step 3: Cross multiply
122,484.26x = 169,023.93 × 68,771.54 - Step 4: Simplify right side
122,484.26x = 11,624,035,117.83 - Step 5: Solve for x
x = 11,624,035,117.83/122,484.26 - Step 6: Final answer
x = 94,902.28
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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.