Finding the Fourth Proportional to 110,731.70, 166,119.41 and 40,611.62
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Solution
The fourth proportional to 110,731.70, 166,119.41 and 40,611.62 is: 60,925.45
Step by Step Solution
- Step 1: Write the proportion equation
110,731.70 : 166,119.41 = 40,611.62 : x - Step 2: Convert to fraction form
110,731.70/166,119.41 = 40,611.62/x - Step 3: Cross multiply
110,731.70x = 166,119.41 × 40,611.62 - Step 4: Simplify right side
110,731.70x = 6,746,378,870.37 - Step 5: Solve for x
x = 6,746,378,870.37/110,731.70 - Step 6: Final answer
x = 60,925.45
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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.