Finding the Fourth Proportional to 134,599.62, 185,755.71 and 74,170.28
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Solution
The fourth proportional to 134,599.62, 185,755.71 and 74,170.28 is: 102,359.52
Step by Step Solution
- Step 1: Write the proportion equation
134,599.62 : 185,755.71 = 74,170.28 : x - Step 2: Convert to fraction form
134,599.62/185,755.71 = 74,170.28/x - Step 3: Cross multiply
134,599.62x = 185,755.71 × 74,170.28 - Step 4: Simplify right side
134,599.62x = 13,777,552,093.52 - Step 5: Solve for x
x = 13,777,552,093.52/134,599.62 - Step 6: Final answer
x = 102,359.52
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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.