Finding the Fourth Proportional to 189,137.97, 261,006.75 and 103,097.70
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Solution
The fourth proportional to 189,137.97, 261,006.75 and 103,097.70 is: 142,272.84
Step by Step Solution
- Step 1: Write the proportion equation
189,137.97 : 261,006.75 = 103,097.70 : x - Step 2: Convert to fraction form
189,137.97/261,006.75 = 103,097.70/x - Step 3: Cross multiply
189,137.97x = 261,006.75 × 103,097.70 - Step 4: Simplify right side
189,137.97x = 26,909,195,609.48 - Step 5: Solve for x
x = 26,909,195,609.48/189,137.97 - Step 6: Final answer
x = 142,272.84
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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.