Finding the Fourth Proportional to 125,910.10, 173,756.98 and 68,549.81
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Solution
The fourth proportional to 125,910.10, 173,756.98 and 68,549.81 is: 94,599.31
Step by Step Solution
- Step 1: Write the proportion equation
125,910.10 : 173,756.98 = 68,549.81 : x - Step 2: Convert to fraction form
125,910.10/173,756.98 = 68,549.81/x - Step 3: Cross multiply
125,910.10x = 173,756.98 × 68,549.81 - Step 4: Simplify right side
125,910.10x = 11,911,007,965.17 - Step 5: Solve for x
x = 11,911,007,965.17/125,910.10 - Step 6: Final answer
x = 94,599.31
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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.