Finding the Fourth Proportional to 125,586.30, 173,312.19 and 68,225.61
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Solution
The fourth proportional to 125,586.30, 173,312.19 and 68,225.61 is: 94,153.02
Step by Step Solution
- Step 1: Write the proportion equation
125,586.30 : 173,312.19 = 68,225.61 : x - Step 2: Convert to fraction form
125,586.30/173,312.19 = 68,225.61/x - Step 3: Cross multiply
125,586.30x = 173,312.19 × 68,225.61 - Step 4: Simplify right side
125,586.30x = 11,824,329,883.19 - Step 5: Solve for x
x = 11,824,329,883.19/125,586.30 - Step 6: Final answer
x = 94,153.02
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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.