Finding the Fourth Proportional to 118,949.36, 164,149.92 and 68,648.36
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Solution
The fourth proportional to 118,949.36, 164,149.92 and 68,648.36 is: 94,734.62
Step by Step Solution
- Step 1: Write the proportion equation
118,949.36 : 164,149.92 = 68,648.36 : x - Step 2: Convert to fraction form
118,949.36/164,149.92 = 68,648.36/x - Step 3: Cross multiply
118,949.36x = 164,149.92 × 68,648.36 - Step 4: Simplify right side
118,949.36x = 11,268,622,802.13 - Step 5: Solve for x
x = 11,268,622,802.13/118,949.36 - Step 6: Final answer
x = 94,734.62
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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.