Finding the Fourth Proportional to 168,758.26, 232,891.26 and 93,311.62
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Solution
The fourth proportional to 168,758.26, 232,891.26 and 93,311.62 is: 128,772.72
Step by Step Solution
- Step 1: Write the proportion equation
168,758.26 : 232,891.26 = 93,311.62 : x - Step 2: Convert to fraction form
168,758.26/232,891.26 = 93,311.62/x - Step 3: Cross multiply
168,758.26x = 232,891.26 × 93,311.62 - Step 4: Simplify right side
168,758.26x = 21,731,460,754.44 - Step 5: Solve for x
x = 21,731,460,754.44/168,758.26 - Step 6: Final answer
x = 128,772.72
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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.