Finding the Fourth Proportional to 127,106.01, 190,721.66 and 89,905.14
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Solution
The fourth proportional to 127,106.01, 190,721.66 and 89,905.14 is: 134,902.02
Step by Step Solution
- Step 1: Write the proportion equation
127,106.01 : 190,721.66 = 89,905.14 : x - Step 2: Convert to fraction form
127,106.01/190,721.66 = 89,905.14/x - Step 3: Cross multiply
127,106.01x = 190,721.66 × 89,905.14 - Step 4: Simplify right side
127,106.01x = 17,146,857,093.81 - Step 5: Solve for x
x = 17,146,857,093.81/127,106.01 - Step 6: Final answer
x = 134,902.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.