Finding the Fourth Proportional to 127,877.41, 176,471.58 and 74,194.39
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Solution
The fourth proportional to 127,877.41, 176,471.58 and 74,194.39 is: 102,388.70
Step by Step Solution
- Step 1: Write the proportion equation
127,877.41 : 176,471.58 = 74,194.39 : x - Step 2: Convert to fraction form
127,877.41/176,471.58 = 74,194.39/x - Step 3: Cross multiply
127,877.41x = 176,471.58 × 74,194.39 - Step 4: Simplify right side
127,877.41x = 13,093,201,230.44 - Step 5: Solve for x
x = 13,093,201,230.44/127,877.41 - Step 6: Final answer
x = 102,388.70
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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.