Finding the Fourth Proportional to 145,657.63, 201,037.31 and 91,906.44
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Solution
The fourth proportional to 145,657.63, 201,037.31 and 91,906.44 is: 126,849.68
Step by Step Solution
- Step 1: Write the proportion equation
145,657.63 : 201,037.31 = 91,906.44 : x - Step 2: Convert to fraction form
145,657.63/201,037.31 = 91,906.44/x - Step 3: Cross multiply
145,657.63x = 201,037.31 × 91,906.44 - Step 4: Simplify right side
145,657.63x = 18,476,623,469.28 - Step 5: Solve for x
x = 18,476,623,469.28/145,657.63 - Step 6: Final answer
x = 126,849.68
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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.