Finding the Fourth Proportional to 113,740.14, 170,260.26 and 74,212.14
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Solution
The fourth proportional to 113,740.14, 170,260.26 and 74,212.14 is: 111,089.88
Step by Step Solution
- Step 1: Write the proportion equation
113,740.14 : 170,260.26 = 74,212.14 : x - Step 2: Convert to fraction form
113,740.14/170,260.26 = 74,212.14/x - Step 3: Cross multiply
113,740.14x = 170,260.26 × 74,212.14 - Step 4: Simplify right side
113,740.14x = 12,635,378,251.56 - Step 5: Solve for x
x = 12,635,378,251.56/113,740.14 - Step 6: Final answer
x = 111,089.88
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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.