Finding the Fourth Proportional to 111,175.13, 153,294.73 and 88,515.08
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Solution
The fourth proportional to 111,175.13, 153,294.73 and 88,515.08 is: 122,049.73
Step by Step Solution
- Step 1: Write the proportion equation
111,175.13 : 153,294.73 = 88,515.08 : x - Step 2: Convert to fraction form
111,175.13/153,294.73 = 88,515.08/x - Step 3: Cross multiply
111,175.13x = 153,294.73 × 88,515.08 - Step 4: Simplify right side
111,175.13x = 13,568,894,876.62 - Step 5: Solve for x
x = 13,568,894,876.62/111,175.13 - Step 6: Final answer
x = 122,049.73
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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.