Finding the Fourth Proportional to 125,766.78, 173,554.50 and 69,178.14
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Solution
The fourth proportional to 125,766.78, 173,554.50 and 69,178.14 is: 95,463.82
Step by Step Solution
- Step 1: Write the proportion equation
125,766.78 : 173,554.50 = 69,178.14 : x - Step 2: Convert to fraction form
125,766.78/173,554.50 = 69,178.14/x - Step 3: Cross multiply
125,766.78x = 173,554.50 × 69,178.14 - Step 4: Simplify right side
125,766.78x = 12,006,177,498.63 - Step 5: Solve for x
x = 12,006,177,498.63/125,766.78 - Step 6: Final answer
x = 95,463.82
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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.