Finding the Fourth Proportional to 116,198.94, 160,341.36 and 65,201.13
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Solution
The fourth proportional to 116,198.94, 160,341.36 and 65,201.13 is: 89,970.17
Step by Step Solution
- Step 1: Write the proportion equation
116,198.94 : 160,341.36 = 65,201.13 : x - Step 2: Convert to fraction form
116,198.94/160,341.36 = 65,201.13/x - Step 3: Cross multiply
116,198.94x = 160,341.36 × 65,201.13 - Step 4: Simplify right side
116,198.94x = 10,454,437,857.74 - Step 5: Solve for x
x = 10,454,437,857.74/116,198.94 - Step 6: Final answer
x = 89,970.17
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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.