Finding the Fourth Proportional to 119,710.19, 165,201.18 and 65,997.14
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Solution
The fourth proportional to 119,710.19, 165,201.18 and 65,997.14 is: 91,076.66
Step by Step Solution
- Step 1: Write the proportion equation
119,710.19 : 165,201.18 = 65,997.14 : x - Step 2: Convert to fraction form
119,710.19/165,201.18 = 65,997.14/x - Step 3: Cross multiply
119,710.19x = 165,201.18 × 65,997.14 - Step 4: Simplify right side
119,710.19x = 10,902,804,578.62 - Step 5: Solve for x
x = 10,902,804,578.62/119,710.19 - Step 6: Final answer
x = 91,076.66
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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.