Finding the Fourth Proportional to 116,817.08, 161,207.45 and 63,102.08
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Solution
The fourth proportional to 116,817.08, 161,207.45 and 63,102.08 is: 87,080.80
Step by Step Solution
- Step 1: Write the proportion equation
116,817.08 : 161,207.45 = 63,102.08 : x - Step 2: Convert to fraction form
116,817.08/161,207.45 = 63,102.08/x - Step 3: Cross multiply
116,817.08x = 161,207.45 × 63,102.08 - Step 4: Simplify right side
116,817.08x = 10,172,524,284.95 - Step 5: Solve for x
x = 10,172,524,284.95/116,817.08 - Step 6: Final answer
x = 87,080.80
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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.