Finding the Fourth Proportional to 127,805.56, 176,372.37 and 74,122.41
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Solution
The fourth proportional to 127,805.56, 176,372.37 and 74,122.41 is: 102,289.32
Step by Step Solution
- Step 1: Write the proportion equation
127,805.56 : 176,372.37 = 74,122.41 : x - Step 2: Convert to fraction form
127,805.56/176,372.37 = 74,122.41/x - Step 3: Cross multiply
127,805.56x = 176,372.37 × 74,122.41 - Step 4: Simplify right side
127,805.56x = 13,073,144,425.26 - Step 5: Solve for x
x = 13,073,144,425.26/127,805.56 - Step 6: Final answer
x = 102,289.32
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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.