Finding the Fourth Proportional to 146,180.62, 201,729.45 and 79,112.62
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Solution
The fourth proportional to 146,180.62, 201,729.45 and 79,112.62 is: 109,175.52
Step by Step Solution
- Step 1: Write the proportion equation
146,180.62 : 201,729.45 = 79,112.62 : x - Step 2: Convert to fraction form
146,180.62/201,729.45 = 79,112.62/x - Step 3: Cross multiply
146,180.62x = 201,729.45 × 79,112.62 - Step 4: Simplify right side
146,180.62x = 15,959,345,320.66 - Step 5: Solve for x
x = 15,959,345,320.66/146,180.62 - Step 6: Final answer
x = 109,175.52
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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.