Finding the Fourth Proportional to 126,313.74, 189,528.93 and 56,239.02
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Solution
The fourth proportional to 126,313.74, 189,528.93 and 56,239.02 is: 84,384.50
Step by Step Solution
- Step 1: Write the proportion equation
126,313.74 : 189,528.93 = 56,239.02 : x - Step 2: Convert to fraction form
126,313.74/189,528.93 = 56,239.02/x - Step 3: Cross multiply
126,313.74x = 189,528.93 × 56,239.02 - Step 4: Simplify right side
126,313.74x = 10,658,921,284.85 - Step 5: Solve for x
x = 10,658,921,284.85/126,313.74 - Step 6: Final answer
x = 84,384.50
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1.5x scale
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.