Finding the Fourth Proportional to 111,694.26, 154,141.52 and 63,962.99
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Solution
The fourth proportional to 111,694.26, 154,141.52 and 63,962.99 is: 88,270.90
Step by Step Solution
- Step 1: Write the proportion equation
111,694.26 : 154,141.52 = 63,962.99 : x - Step 2: Convert to fraction form
111,694.26/154,141.52 = 63,962.99/x - Step 3: Cross multiply
111,694.26x = 154,141.52 × 63,962.99 - Step 4: Simplify right side
111,694.26x = 9,859,352,502.34 - Step 5: Solve for x
x = 9,859,352,502.34/111,694.26 - Step 6: Final answer
x = 88,270.90
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1.5x scale
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.