Finding the Fourth Proportional to 118,908.26, 164,093.40 and 68,607.26
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Solution
The fourth proportional to 118,908.26, 164,093.40 and 68,607.26 is: 94,678.02
Step by Step Solution
- Step 1: Write the proportion equation
118,908.26 : 164,093.40 = 68,607.26 : x - Step 2: Convert to fraction form
118,908.26/164,093.40 = 68,607.26/x - Step 3: Cross multiply
118,908.26x = 164,093.40 × 68,607.26 - Step 4: Simplify right side
118,908.26x = 11,257,998,558.08 - Step 5: Solve for x
x = 11,257,998,558.08/118,908.26 - Step 6: Final answer
x = 94,678.02
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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.