Finding the Fourth Proportional to 132,101.78, 198,150.36 and 53,213.99
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Solution
The fourth proportional to 132,101.78, 198,150.36 and 53,213.99 is: 79,820.05
Step by Step Solution
- Step 1: Write the proportion equation
132,101.78 : 198,150.36 = 53,213.99 : x - Step 2: Convert to fraction form
132,101.78/198,150.36 = 53,213.99/x - Step 3: Cross multiply
132,101.78x = 198,150.36 × 53,213.99 - Step 4: Simplify right side
132,101.78x = 10,544,370,284.78 - Step 5: Solve for x
x = 10,544,370,284.78/132,101.78 - Step 6: Final answer
x = 79,820.05
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1.5x scale
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.