Finding the Fourth Proportional to 111,035.63, 153,232.76 and 60,734.63
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Solution
The fourth proportional to 111,035.63, 153,232.76 and 60,734.63 is: 83,815.75
Step by Step Solution
- Step 1: Write the proportion equation
111,035.63 : 153,232.76 = 60,734.63 : x - Step 2: Convert to fraction form
111,035.63/153,232.76 = 60,734.63/x - Step 3: Cross multiply
111,035.63x = 153,232.76 × 60,734.63 - Step 4: Simplify right side
111,035.63x = 9,306,534,982.48 - Step 5: Solve for x
x = 9,306,534,982.48/111,035.63 - Step 6: Final answer
x = 83,815.75
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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.