Finding the Fourth Proportional to 125,459.68, 173,133.62 and 68,100.14
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Solution
The fourth proportional to 125,459.68, 173,133.62 and 68,100.14 is: 93,977.79
Step by Step Solution
- Step 1: Write the proportion equation
125,459.68 : 173,133.62 = 68,100.14 : x - Step 2: Convert to fraction form
125,459.68/173,133.62 = 68,100.14/x - Step 3: Cross multiply
125,459.68x = 173,133.62 × 68,100.14 - Step 4: Simplify right side
125,459.68x = 11,790,423,760.71 - Step 5: Solve for x
x = 11,790,423,760.71/125,459.68 - Step 6: Final answer
x = 93,977.79
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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.