Finding the Fourth Proportional to 126,226.56, 189,395.76 and 67,048.08
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Solution
The fourth proportional to 126,226.56, 189,395.76 and 67,048.08 is: 100,601.82
Step by Step Solution
- Step 1: Write the proportion equation
126,226.56 : 189,395.76 = 67,048.08 : x - Step 2: Convert to fraction form
126,226.56/189,395.76 = 67,048.08/x - Step 3: Cross multiply
126,226.56x = 189,395.76 × 67,048.08 - Step 4: Simplify right side
126,226.56x = 12,698,622,068.14 - Step 5: Solve for x
x = 12,698,622,068.14/126,226.56 - Step 6: Final answer
x = 100,601.82
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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.