Finding the Fourth Proportional to 153,662.08, 212,093.82 and 100,094.08
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Solution
The fourth proportional to 153,662.08, 212,093.82 and 100,094.08 is: 138,155.98
Step by Step Solution
- Step 1: Write the proportion equation
153,662.08 : 212,093.82 = 100,094.08 : x - Step 2: Convert to fraction form
153,662.08/212,093.82 = 100,094.08/x - Step 3: Cross multiply
153,662.08x = 212,093.82 × 100,094.08 - Step 4: Simplify right side
153,662.08x = 21,229,335,786.59 - Step 5: Solve for x
x = 21,229,335,786.59/153,662.08 - Step 6: Final answer
x = 138,155.98
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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.