Finding the Fourth Proportional to 126,174.08, 189,311.61 and 51,299.98
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Solution
The fourth proportional to 126,174.08, 189,311.61 and 51,299.98 is: 76,970.50
Step by Step Solution
- Step 1: Write the proportion equation
126,174.08 : 189,311.61 = 51,299.98 : x - Step 2: Convert to fraction form
126,174.08/189,311.61 = 51,299.98/x - Step 3: Cross multiply
126,174.08x = 189,311.61 × 51,299.98 - Step 4: Simplify right side
126,174.08x = 9,711,681,806.77 - Step 5: Solve for x
x = 9,711,681,806.77/126,174.08 - Step 6: Final answer
x = 76,970.50
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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.