Finding the Fourth Proportional to 126,121.47, 174,048.93 and 69,534.87
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Solution
The fourth proportional to 126,121.47, 174,048.93 and 69,534.87 is: 95,958.84
Step by Step Solution
- Step 1: Write the proportion equation
126,121.47 : 174,048.93 = 69,534.87 : x - Step 2: Convert to fraction form
126,121.47/174,048.93 = 69,534.87/x - Step 3: Cross multiply
126,121.47x = 174,048.93 × 69,534.87 - Step 4: Simplify right side
126,121.47x = 12,102,469,721.19 - Step 5: Solve for x
x = 12,102,469,721.19/126,121.47 - Step 6: Final answer
x = 95,958.84
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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.