Finding the Fourth Proportional to 125,510.14, 173,206.12 and 68,926.78
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Solution
The fourth proportional to 125,510.14, 173,206.12 and 68,926.78 is: 95,120.12
Step by Step Solution
- Step 1: Write the proportion equation
125,510.14 : 173,206.12 = 68,926.78 : x - Step 2: Convert to fraction form
125,510.14/173,206.12 = 68,926.78/x - Step 3: Cross multiply
125,510.14x = 173,206.12 × 68,926.78 - Step 4: Simplify right side
125,510.14x = 11,938,540,127.89 - Step 5: Solve for x
x = 11,938,540,127.89/125,510.14 - Step 6: Final answer
x = 95,120.12
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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.