Finding the Fourth Proportional to 125,262.08, 172,860.96 and 68,673.92
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Solution
The fourth proportional to 125,262.08, 172,860.96 and 68,673.92 is: 94,769.62
Step by Step Solution
- Step 1: Write the proportion equation
125,262.08 : 172,860.96 = 68,673.92 : x - Step 2: Convert to fraction form
125,262.08/172,860.96 = 68,673.92/x - Step 3: Cross multiply
125,262.08x = 172,860.96 × 68,673.92 - Step 4: Simplify right side
125,262.08x = 11,871,039,738.16 - Step 5: Solve for x
x = 11,871,039,738.16/125,262.08 - Step 6: Final answer
x = 94,769.62
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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.