Finding the Fourth Proportional to 110,852.76, 166,163.04 and 51,639.60
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Solution
The fourth proportional to 110,852.76, 166,163.04 and 51,639.60 is: 77,405.32
Step by Step Solution
- Step 1: Write the proportion equation
110,852.76 : 166,163.04 = 51,639.60 : x - Step 2: Convert to fraction form
110,852.76/166,163.04 = 51,639.60/x - Step 3: Cross multiply
110,852.76x = 166,163.04 × 51,639.60 - Step 4: Simplify right side
110,852.76x = 8,580,592,920.38 - Step 5: Solve for x
x = 8,580,592,920.38/110,852.76 - Step 6: Final answer
x = 77,405.32
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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.