Finding the Fourth Proportional to 111,480.24, 153,842.84 and 63,734.62
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Solution
The fourth proportional to 111,480.24, 153,842.84 and 63,734.62 is: 87,953.84
Step by Step Solution
- Step 1: Write the proportion equation
111,480.24 : 153,842.84 = 63,734.62 : x - Step 2: Convert to fraction form
111,480.24/153,842.84 = 63,734.62/x - Step 3: Cross multiply
111,480.24x = 153,842.84 × 63,734.62 - Step 4: Simplify right side
111,480.24x = 9,805,114,947.12 - Step 5: Solve for x
x = 9,805,114,947.12/111,480.24 - Step 6: Final answer
x = 87,953.84
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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.