Finding the Fourth Proportional to 160,884.63, 222,124.77 and 99,695.75
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Solution
The fourth proportional to 160,884.63, 222,124.77 and 99,695.75 is: 137,644.56
Step by Step Solution
- Step 1: Write the proportion equation
160,884.63 : 222,124.77 = 99,695.75 : x - Step 2: Convert to fraction form
160,884.63/222,124.77 = 99,695.75/x - Step 3: Cross multiply
160,884.63x = 222,124.77 × 99,695.75 - Step 4: Simplify right side
160,884.63x = 22,144,894,428.10 - Step 5: Solve for x
x = 22,144,894,428.10/160,884.63 - Step 6: Final answer
x = 137,644.56
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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.