Finding the Fourth Proportional to 125,549.68, 173,259.80 and 68,190.12
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Solution
The fourth proportional to 125,549.68, 173,259.80 and 68,190.12 is: 94,103.04
Step by Step Solution
- Step 1: Write the proportion equation
125,549.68 : 173,259.80 = 68,190.12 : x - Step 2: Convert to fraction form
125,549.68/173,259.80 = 68,190.12/x - Step 3: Cross multiply
125,549.68x = 173,259.80 × 68,190.12 - Step 4: Simplify right side
125,549.68x = 11,814,606,553.18 - Step 5: Solve for x
x = 11,814,606,553.18/125,549.68 - Step 6: Final answer
x = 94,103.04
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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.