Finding the Fourth Proportional to 134,473.97, 185,578.16 and 74,046.77
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Solution
The fourth proportional to 134,473.97, 185,578.16 and 74,046.77 is: 102,186.80
Step by Step Solution
- Step 1: Write the proportion equation
134,473.97 : 185,578.16 = 74,046.77 : x - Step 2: Convert to fraction form
134,473.97/185,578.16 = 74,046.77/x - Step 3: Cross multiply
134,473.97x = 185,578.16 × 74,046.77 - Step 4: Simplify right side
134,473.97x = 13,741,463,701.93 - Step 5: Solve for x
x = 13,741,463,701.93/134,473.97 - Step 6: Final answer
x = 102,186.80
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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.