Finding the Fourth Proportional to 121,439.75, 182,159.47 and 32,693.36
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Solution
The fourth proportional to 121,439.75, 182,159.47 and 32,693.36 is: 49,039.99
Step by Step Solution
- Step 1: Write the proportion equation
121,439.75 : 182,159.47 = 32,693.36 : x - Step 2: Convert to fraction form
121,439.75/182,159.47 = 32,693.36/x - Step 3: Cross multiply
121,439.75x = 182,159.47 × 32,693.36 - Step 4: Simplify right side
121,439.75x = 5,955,404,137.59 - Step 5: Solve for x
x = 5,955,404,137.59/121,439.75 - Step 6: Final answer
x = 49,039.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.