Finding the Fourth Proportional to 122,722.18, 169,350.42 and 69,003.99
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Solution
The fourth proportional to 122,722.18, 169,350.42 and 69,003.99 is: 95,222.03
Step by Step Solution
- Step 1: Write the proportion equation
122,722.18 : 169,350.42 = 69,003.99 : x - Step 2: Convert to fraction form
122,722.18/169,350.42 = 69,003.99/x - Step 3: Cross multiply
122,722.18x = 169,350.42 × 69,003.99 - Step 4: Simplify right side
122,722.18x = 11,685,854,688.18 - Step 5: Solve for x
x = 11,685,854,688.18/122,722.18 - Step 6: Final answer
x = 95,222.03
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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.