Finding the Fourth Proportional to 126,503.27, 189,754.92 and 51,658.66
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Solution
The fourth proportional to 126,503.27, 189,754.92 and 51,658.66 is: 77,487.99
Step by Step Solution
- Step 1: Write the proportion equation
126,503.27 : 189,754.92 = 51,658.66 : x - Step 2: Convert to fraction form
126,503.27/189,754.92 = 51,658.66/x - Step 3: Cross multiply
126,503.27x = 189,754.92 × 51,658.66 - Step 4: Simplify right side
126,503.27x = 9,802,483,946.83 - Step 5: Solve for x
x = 9,802,483,946.83/126,503.27 - Step 6: Final answer
x = 77,487.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.