Finding the Fourth Proportional to 133,511.99, 184,163.57 and 82,540.31
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Solution
The fourth proportional to 133,511.99, 184,163.57 and 82,540.31 is: 113,854.32
Step by Step Solution
- Step 1: Write the proportion equation
133,511.99 : 184,163.57 = 82,540.31 : x - Step 2: Convert to fraction form
133,511.99/184,163.57 = 82,540.31/x - Step 3: Cross multiply
133,511.99x = 184,163.57 × 82,540.31 - Step 4: Simplify right side
133,511.99x = 15,200,916,824.99 - Step 5: Solve for x
x = 15,200,916,824.99/133,511.99 - Step 6: Final answer
x = 113,854.32
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1.5x scale
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.