Finding the Fourth Proportional to 126,453.84, 174,509.84 and 69,868.88
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Solution
The fourth proportional to 126,453.84, 174,509.84 and 69,868.88 is: 96,421.01
Step by Step Solution
- Step 1: Write the proportion equation
126,453.84 : 174,509.84 = 69,868.88 : x - Step 2: Convert to fraction form
126,453.84/174,509.84 = 69,868.88/x - Step 3: Cross multiply
126,453.84x = 174,509.84 × 69,868.88 - Step 4: Simplify right side
126,453.84x = 12,192,807,069.78 - Step 5: Solve for x
x = 12,192,807,069.78/126,453.84 - Step 6: Final answer
x = 96,421.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.