Finding the Fourth Proportional to 117,310.76, 175,939.18 and 69,939.26
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Solution
The fourth proportional to 117,310.76, 175,939.18 and 69,939.26 is: 104,892.82
Step by Step Solution
- Step 1: Write the proportion equation
117,310.76 : 175,939.18 = 69,939.26 : x - Step 2: Convert to fraction form
117,310.76/175,939.18 = 69,939.26/x - Step 3: Cross multiply
117,310.76x = 175,939.18 × 69,939.26 - Step 4: Simplify right side
117,310.76x = 12,305,056,054.21 - Step 5: Solve for x
x = 12,305,056,054.21/117,310.76 - Step 6: Final answer
x = 104,892.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.