Finding the Fourth Proportional to 125,894.71, 173,724.11 and 72,167.41
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Solution
The fourth proportional to 125,894.71, 173,724.11 and 72,167.41 is: 99,584.95
Step by Step Solution
- Step 1: Write the proportion equation
125,894.71 : 173,724.11 = 72,167.41 : x - Step 2: Convert to fraction form
125,894.71/173,724.11 = 72,167.41/x - Step 3: Cross multiply
125,894.71x = 173,724.11 × 72,167.41 - Step 4: Simplify right side
125,894.71x = 12,537,218,712.42 - Step 5: Solve for x
x = 12,537,218,712.42/125,894.71 - Step 6: Final answer
x = 99,584.95
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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.