Finding the Fourth Proportional to 110,086.24, 151,965.48 and 74,324.68
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Solution
The fourth proportional to 110,086.24, 151,965.48 and 74,324.68 is: 102,599.43
Step by Step Solution
- Step 1: Write the proportion equation
110,086.24 : 151,965.48 = 74,324.68 : x - Step 2: Convert to fraction form
110,086.24/151,965.48 = 74,324.68/x - Step 3: Cross multiply
110,086.24x = 151,965.48 × 74,324.68 - Step 4: Simplify right side
110,086.24x = 11,294,785,672.05 - Step 5: Solve for x
x = 11,294,785,672.05/110,086.24 - Step 6: Final answer
x = 102,599.43
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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.