Finding the Fourth Proportional to 125,184.68, 172,758.84 and 68,599.52
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Solution
The fourth proportional to 125,184.68, 172,758.84 and 68,599.52 is: 94,669.52
Step by Step Solution
- Step 1: Write the proportion equation
125,184.68 : 172,758.84 = 68,599.52 : x - Step 2: Convert to fraction form
125,184.68/172,758.84 = 68,599.52/x - Step 3: Cross multiply
125,184.68x = 172,758.84 × 68,599.52 - Step 4: Simplify right side
125,184.68x = 11,851,173,499.76 - Step 5: Solve for x
x = 11,851,173,499.76/125,184.68 - Step 6: Final answer
x = 94,669.52
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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.