Finding the Fourth Proportional to 127,135.07, 175,511.73 and 89,576.99
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Solution
The fourth proportional to 127,135.07, 175,511.73 and 89,576.99 is: 123,662.28
Step by Step Solution
- Step 1: Write the proportion equation
127,135.07 : 175,511.73 = 89,576.99 : x - Step 2: Convert to fraction form
127,135.07/175,511.73 = 89,576.99/x - Step 3: Cross multiply
127,135.07x = 175,511.73 × 89,576.99 - Step 4: Simplify right side
127,135.07x = 15,721,812,483.09 - Step 5: Solve for x
x = 15,721,812,483.09/127,135.07 - Step 6: Final answer
x = 123,662.28
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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.