Finding the Fourth Proportional to 118,107.14, 162,947.18 and 82,284.08
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Solution
The fourth proportional to 118,107.14, 162,947.18 and 82,284.08 is: 113,523.69
Step by Step Solution
- Step 1: Write the proportion equation
118,107.14 : 162,947.18 = 82,284.08 : x - Step 2: Convert to fraction form
118,107.14/162,947.18 = 82,284.08/x - Step 3: Cross multiply
118,107.14x = 162,947.18 × 82,284.08 - Step 4: Simplify right side
118,107.14x = 13,407,958,383.47 - Step 5: Solve for x
x = 13,407,958,383.47/118,107.14 - Step 6: Final answer
x = 113,523.69
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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.