Finding the Fourth Proportional to 122,906.10, 169,626.58 and 69,201.58
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Solution
The fourth proportional to 122,906.10, 169,626.58 and 69,201.58 is: 95,507.28
Step by Step Solution
- Step 1: Write the proportion equation
122,906.10 : 169,626.58 = 69,201.58 : x - Step 2: Convert to fraction form
122,906.10/169,626.58 = 69,201.58/x - Step 3: Cross multiply
122,906.10x = 169,626.58 × 69,201.58 - Step 4: Simplify right side
122,906.10x = 11,738,427,346.00 - Step 5: Solve for x
x = 11,738,427,346.00/122,906.10 - Step 6: Final answer
x = 95,507.28
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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.