Finding the Fourth Proportional to 126,239.82, 174,210.85 and 69,651.19
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Solution
The fourth proportional to 126,239.82, 174,210.85 and 69,651.19 is: 96,118.59
Step by Step Solution
- Step 1: Write the proportion equation
126,239.82 : 174,210.85 = 69,651.19 : x - Step 2: Convert to fraction form
126,239.82/174,210.85 = 69,651.19/x - Step 3: Cross multiply
126,239.82x = 174,210.85 × 69,651.19 - Step 4: Simplify right side
126,239.82x = 12,133,993,318.24 - Step 5: Solve for x
x = 12,133,993,318.24/126,239.82 - Step 6: Final answer
x = 96,118.59
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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.