Finding the Fourth Proportional to 127,137.95, 175,474.58 and 84,118.31
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Solution
The fourth proportional to 127,137.95, 175,474.58 and 84,118.31 is: 116,099.28
Step by Step Solution
- Step 1: Write the proportion equation
127,137.95 : 175,474.58 = 84,118.31 : x - Step 2: Convert to fraction form
127,137.95/175,474.58 = 84,118.31/x - Step 3: Cross multiply
127,137.95x = 175,474.58 × 84,118.31 - Step 4: Simplify right side
127,137.95x = 14,760,623,819.60 - Step 5: Solve for x
x = 14,760,623,819.60/127,137.95 - Step 6: Final answer
x = 116,099.28
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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.