Finding the Fourth Proportional to 127,746.95, 190,112.52 and 123,489.99
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Solution
The fourth proportional to 127,746.95, 190,112.52 and 123,489.99 is: 183,777.33
Step by Step Solution
- Step 1: Write the proportion equation
127,746.95 : 190,112.52 = 123,489.99 : x - Step 2: Convert to fraction form
127,746.95/190,112.52 = 123,489.99/x - Step 3: Cross multiply
127,746.95x = 190,112.52 × 123,489.99 - Step 4: Simplify right side
127,746.95x = 23,476,993,193.67 - Step 5: Solve for x
x = 23,476,993,193.67/127,746.95 - Step 6: Final answer
x = 183,777.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.