Finding the Fourth Proportional to 125,712.78, 173,486.67 and 69,124.14
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Solution
The fourth proportional to 125,712.78, 173,486.67 and 69,124.14 is: 95,392.98
Step by Step Solution
- Step 1: Write the proportion equation
125,712.78 : 173,486.67 = 69,124.14 : x - Step 2: Convert to fraction form
125,712.78/173,486.67 = 69,124.14/x - Step 3: Cross multiply
125,712.78x = 173,486.67 × 69,124.14 - Step 4: Simplify right side
125,712.78x = 11,992,116,865.21 - Step 5: Solve for x
x = 11,992,116,865.21/125,712.78 - Step 6: Final answer
x = 95,392.98
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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.