Finding the Fourth Proportional to 168,126.82, 232,011.99 and 91,646.56
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Solution
The fourth proportional to 168,126.82, 232,011.99 and 91,646.56 is: 126,470.61
Step by Step Solution
- Step 1: Write the proportion equation
168,126.82 : 232,011.99 = 91,646.56 : x - Step 2: Convert to fraction form
168,126.82/232,011.99 = 91,646.56/x - Step 3: Cross multiply
168,126.82x = 232,011.99 × 91,646.56 - Step 4: Simplify right side
168,126.82x = 21,263,100,762.25 - Step 5: Solve for x
x = 21,263,100,762.25/168,126.82 - Step 6: Final answer
x = 126,470.61
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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.