Finding the Fourth Proportional to 118,518.08, 177,340.32 and 71,161.96
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Solution
The fourth proportional to 118,518.08, 177,340.32 and 71,161.96 is: 106,480.67
Step by Step Solution
- Step 1: Write the proportion equation
118,518.08 : 177,340.32 = 71,161.96 : x - Step 2: Convert to fraction form
118,518.08/177,340.32 = 71,161.96/x - Step 3: Cross multiply
118,518.08x = 177,340.32 × 71,161.96 - Step 4: Simplify right side
118,518.08x = 12,619,884,758.23 - Step 5: Solve for x
x = 12,619,884,758.23/118,518.08 - Step 6: Final answer
x = 106,480.67
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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.