Finding the Fourth Proportional to 126,099.45, 174,029.49 and 94,212.99
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Solution
The fourth proportional to 126,099.45, 174,029.49 and 94,212.99 is: 130,023.08
Step by Step Solution
- Step 1: Write the proportion equation
126,099.45 : 174,029.49 = 94,212.99 : x - Step 2: Convert to fraction form
126,099.45/174,029.49 = 94,212.99/x - Step 3: Cross multiply
126,099.45x = 174,029.49 × 94,212.99 - Step 4: Simplify right side
126,099.45x = 16,395,838,601.08 - Step 5: Solve for x
x = 16,395,838,601.08/126,099.45 - Step 6: Final answer
x = 130,023.08
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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.