Finding the Fourth Proportional to 134,431.14, 201,771.26 and 67,918.14
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Solution
The fourth proportional to 134,431.14, 201,771.26 and 67,918.14 is: 101,940.14
Step by Step Solution
- Step 1: Write the proportion equation
134,431.14 : 201,771.26 = 67,918.14 : x - Step 2: Convert to fraction form
134,431.14/201,771.26 = 67,918.14/x - Step 3: Cross multiply
134,431.14x = 201,771.26 × 67,918.14 - Step 4: Simplify right side
134,431.14x = 13,703,928,684.66 - Step 5: Solve for x
x = 13,703,928,684.66/134,431.14 - Step 6: Final answer
x = 101,940.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.