Finding the Fourth Proportional to 126,267.28, 174,247.99 and 69,678.66
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Solution
The fourth proportional to 126,267.28, 174,247.99 and 69,678.66 is: 96,156.08
Step by Step Solution
- Step 1: Write the proportion equation
126,267.28 : 174,247.99 = 69,678.66 : x - Step 2: Convert to fraction form
126,267.28/174,247.99 = 69,678.66/x - Step 3: Cross multiply
126,267.28x = 174,247.99 × 69,678.66 - Step 4: Simplify right side
126,267.28x = 12,141,366,450.89 - Step 5: Solve for x
x = 12,141,366,450.89/126,267.28 - Step 6: Final answer
x = 96,156.08
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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.