Finding the Fourth Proportional to 189,662.93, 261,752.94 and 103,634.99
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Solution
The fourth proportional to 189,662.93, 261,752.94 and 103,634.99 is: 143,026.18
Step by Step Solution
- Step 1: Write the proportion equation
189,662.93 : 261,752.94 = 103,634.99 : x - Step 2: Convert to fraction form
189,662.93/261,752.94 = 103,634.99/x - Step 3: Cross multiply
189,662.93x = 261,752.94 × 103,634.99 - Step 4: Simplify right side
189,662.93x = 27,126,763,973.75 - Step 5: Solve for x
x = 27,126,763,973.75/189,662.93 - Step 6: Final answer
x = 143,026.18
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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.