Finding the Fourth Proportional to 125,981.65, 173,854.91 and 68,620.80
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Solution
The fourth proportional to 125,981.65, 173,854.91 and 68,620.80 is: 94,696.83
Step by Step Solution
- Step 1: Write the proportion equation
125,981.65 : 173,854.91 = 68,620.80 : x - Step 2: Convert to fraction form
125,981.65/173,854.91 = 68,620.80/x - Step 3: Cross multiply
125,981.65x = 173,854.91 × 68,620.80 - Step 4: Simplify right side
125,981.65x = 11,930,063,008.13 - Step 5: Solve for x
x = 11,930,063,008.13/125,981.65 - Step 6: Final answer
x = 94,696.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.