Finding the Fourth Proportional to 117,674.10, 162,427.41 and 75,232.80
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Solution
The fourth proportional to 117,674.10, 162,427.41 and 75,232.80 is: 103,845.02
Step by Step Solution
- Step 1: Write the proportion equation
117,674.10 : 162,427.41 = 75,232.80 : x - Step 2: Convert to fraction form
117,674.10/162,427.41 = 75,232.80/x - Step 3: Cross multiply
117,674.10x = 162,427.41 × 75,232.80 - Step 4: Simplify right side
117,674.10x = 12,219,868,851.05 - Step 5: Solve for x
x = 12,219,868,851.05/117,674.10 - Step 6: Final answer
x = 103,845.02
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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.