Finding the Fourth Proportional to 126,512.73, 174,587.74 and 72,796.68
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Solution
The fourth proportional to 126,512.73, 174,587.74 and 72,796.68 is: 100,459.52
Step by Step Solution
- Step 1: Write the proportion equation
126,512.73 : 174,587.74 = 72,796.68 : x - Step 2: Convert to fraction form
126,512.73/174,587.74 = 72,796.68/x - Step 3: Cross multiply
126,512.73x = 174,587.74 × 72,796.68 - Step 4: Simplify right side
126,512.73x = 12,709,407,658.71 - Step 5: Solve for x
x = 12,709,407,658.71/126,512.73 - Step 6: Final answer
x = 100,459.52
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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.