Finding the Fourth Proportional to 145,896.93, 201,404.97 and 102,911.49
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Solution
The fourth proportional to 145,896.93, 201,404.97 and 102,911.49 is: 142,065.26
Step by Step Solution
- Step 1: Write the proportion equation
145,896.93 : 201,404.97 = 102,911.49 : x - Step 2: Convert to fraction form
145,896.93/201,404.97 = 102,911.49/x - Step 3: Cross multiply
145,896.93x = 201,404.97 × 102,911.49 - Step 4: Simplify right side
145,896.93x = 20,726,885,556.11 - Step 5: Solve for x
x = 20,726,885,556.11/145,896.93 - Step 6: Final answer
x = 142,065.26
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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.