Finding the Fourth Proportional to 125,522.36, 173,221.98 and 68,934.14
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Solution
The fourth proportional to 125,522.36, 173,221.98 and 68,934.14 is: 95,129.73
Step by Step Solution
- Step 1: Write the proportion equation
125,522.36 : 173,221.98 = 68,934.14 : x - Step 2: Convert to fraction form
125,522.36/173,221.98 = 68,934.14/x - Step 3: Cross multiply
125,522.36x = 173,221.98 × 68,934.14 - Step 4: Simplify right side
125,522.36x = 11,940,908,220.40 - Step 5: Solve for x
x = 11,940,908,220.40/125,522.36 - Step 6: Final answer
x = 95,129.73
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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.