Finding the Fourth Proportional to 127,936.94, 176,625.23 and 84,990.06
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Solution
The fourth proportional to 127,936.94, 176,625.23 and 84,990.06 is: 117,334.28
Step by Step Solution
- Step 1: Write the proportion equation
127,936.94 : 176,625.23 = 84,990.06 : x - Step 2: Convert to fraction form
127,936.94/176,625.23 = 84,990.06/x - Step 3: Cross multiply
127,936.94x = 176,625.23 × 84,990.06 - Step 4: Simplify right side
127,936.94x = 15,011,388,470.26 - Step 5: Solve for x
x = 15,011,388,470.26/127,936.94 - Step 6: Final answer
x = 117,334.28
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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.