Finding the Fourth Proportional to 138,233.52, 190,664.00 and 92,269.99
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Solution
The fourth proportional to 138,233.52, 190,664.00 and 92,269.99 is: 127,266.99
Step by Step Solution
- Step 1: Write the proportion equation
138,233.52 : 190,664.00 = 92,269.99 : x - Step 2: Convert to fraction form
138,233.52/190,664.00 = 92,269.99/x - Step 3: Cross multiply
138,233.52x = 190,664.00 × 92,269.99 - Step 4: Simplify right side
138,233.52x = 17,592,564,912.01 - Step 5: Solve for x
x = 17,592,564,912.01/138,233.52 - Step 6: Final answer
x = 127,266.99
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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.