Finding the Fourth Proportional to 125,474.18, 173,154.50 and 68,113.47
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Solution
The fourth proportional to 125,474.18, 173,154.50 and 68,113.47 is: 93,996.66
Step by Step Solution
- Step 1: Write the proportion equation
125,474.18 : 173,154.50 = 68,113.47 : x - Step 2: Convert to fraction form
125,474.18/173,154.50 = 68,113.47/x - Step 3: Cross multiply
125,474.18x = 173,154.50 × 68,113.47 - Step 4: Simplify right side
125,474.18x = 11,794,153,841.12 - Step 5: Solve for x
x = 11,794,153,841.12/125,474.18 - Step 6: Final answer
x = 93,996.66
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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.