Finding the Fourth Proportional to 126,510.19, 174,584.09 and 69,921.56
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Solution
The fourth proportional to 126,510.19, 174,584.09 and 69,921.56 is: 96,491.77
Step by Step Solution
- Step 1: Write the proportion equation
126,510.19 : 174,584.09 = 69,921.56 : x - Step 2: Convert to fraction form
126,510.19/174,584.09 = 69,921.56/x - Step 3: Cross multiply
126,510.19x = 174,584.09 × 69,921.56 - Step 4: Simplify right side
126,510.19x = 12,207,192,535.24 - Step 5: Solve for x
x = 12,207,192,535.24/126,510.19 - Step 6: Final answer
x = 96,491.77
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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.