Finding the Fourth Proportional to 125,222.08, 172,806.13 and 67,862.99
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Solution
The fourth proportional to 125,222.08, 172,806.13 and 67,862.99 is: 93,650.74
Step by Step Solution
- Step 1: Write the proportion equation
125,222.08 : 172,806.13 = 67,862.99 : x - Step 2: Convert to fraction form
125,222.08/172,806.13 = 67,862.99/x - Step 3: Cross multiply
125,222.08x = 172,806.13 × 67,862.99 - Step 4: Simplify right side
125,222.08x = 11,727,140,672.13 - Step 5: Solve for x
x = 11,727,140,672.13/125,222.08 - Step 6: Final answer
x = 93,650.74
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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.