Finding the Fourth Proportional to 168,758.88, 232,891.92 and 93,310.08
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Solution
The fourth proportional to 168,758.88, 232,891.92 and 93,310.08 is: 128,770.49
Step by Step Solution
- Step 1: Write the proportion equation
168,758.88 : 232,891.92 = 93,310.08 : x - Step 2: Convert to fraction form
168,758.88/232,891.92 = 93,310.08/x - Step 3: Cross multiply
168,758.88x = 232,891.92 × 93,310.08 - Step 4: Simplify right side
168,758.88x = 21,731,163,686.55 - Step 5: Solve for x
x = 21,731,163,686.55/168,758.88 - Step 6: Final answer
x = 128,770.49
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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.