Finding the Fourth Proportional to 126,102.06, 189,198.27 and 54,024.75
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Solution
The fourth proportional to 126,102.06, 189,198.27 and 54,024.75 is: 81,056.48
Step by Step Solution
- Step 1: Write the proportion equation
126,102.06 : 189,198.27 = 54,024.75 : x - Step 2: Convert to fraction form
126,102.06/189,198.27 = 54,024.75/x - Step 3: Cross multiply
126,102.06x = 189,198.27 × 54,024.75 - Step 4: Simplify right side
126,102.06x = 10,221,389,237.18 - Step 5: Solve for x
x = 10,221,389,237.18/126,102.06 - Step 6: Final answer
x = 81,056.48
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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.