Finding the Fourth Proportional to 107,146.06, 160,720.41 and 73,857.17
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Solution
The fourth proportional to 107,146.06, 160,720.41 and 73,857.17 is: 110,786.66
Step by Step Solution
- Step 1: Write the proportion equation
107,146.06 : 160,720.41 = 73,857.17 : x - Step 2: Convert to fraction form
107,146.06/160,720.41 = 73,857.17/x - Step 3: Cross multiply
107,146.06x = 160,720.41 × 73,857.17 - Step 4: Simplify right side
107,146.06x = 11,870,354,643.84 - Step 5: Solve for x
x = 11,870,354,643.84/107,146.06 - Step 6: Final answer
x = 110,786.66
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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.