Finding the Fourth Proportional to 125,752.41, 173,419.70 and 82,655.75
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Solution
The fourth proportional to 125,752.41, 173,419.70 and 82,655.75 is: 113,986.96
Step by Step Solution
- Step 1: Write the proportion equation
125,752.41 : 173,419.70 = 82,655.75 : x - Step 2: Convert to fraction form
125,752.41/173,419.70 = 82,655.75/x - Step 3: Cross multiply
125,752.41x = 173,419.70 × 82,655.75 - Step 4: Simplify right side
125,752.41x = 14,334,135,388.55 - Step 5: Solve for x
x = 14,334,135,388.55/125,752.41 - Step 6: Final answer
x = 113,986.96
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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.