Finding the Fourth Proportional to 109,750.26, 151,464.69 and 91,813.62
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Solution
The fourth proportional to 109,750.26, 151,464.69 and 91,813.62 is: 126,710.60
Step by Step Solution
- Step 1: Write the proportion equation
109,750.26 : 151,464.69 = 91,813.62 : x - Step 2: Convert to fraction form
109,750.26/151,464.69 = 91,813.62/x - Step 3: Cross multiply
109,750.26x = 151,464.69 × 91,813.62 - Step 4: Simplify right side
109,750.26x = 13,906,521,491.08 - Step 5: Solve for x
x = 13,906,521,491.08/109,750.26 - Step 6: Final answer
x = 126,710.60
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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.