Finding the Fourth Proportional to 126,027.18, 189,014.73 and 59,438.70
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Solution
The fourth proportional to 126,027.18, 189,014.73 and 59,438.70 is: 89,145.77
Step by Step Solution
- Step 1: Write the proportion equation
126,027.18 : 189,014.73 = 59,438.70 : x - Step 2: Convert to fraction form
126,027.18/189,014.73 = 59,438.70/x - Step 3: Cross multiply
126,027.18x = 189,014.73 × 59,438.70 - Step 4: Simplify right side
126,027.18x = 11,234,789,832.05 - Step 5: Solve for x
x = 11,234,789,832.05/126,027.18 - Step 6: Final answer
x = 89,145.77
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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.