Finding the Fourth Proportional to 125,220.08, 172,803.38 and 67,860.99
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Solution
The fourth proportional to 125,220.08, 172,803.38 and 67,860.99 is: 93,647.99
Step by Step Solution
- Step 1: Write the proportion equation
125,220.08 : 172,803.38 = 67,860.99 : x - Step 2: Convert to fraction form
125,220.08/172,803.38 = 67,860.99/x - Step 3: Cross multiply
125,220.08x = 172,803.38 × 67,860.99 - Step 4: Simplify right side
125,220.08x = 11,726,608,102.84 - Step 5: Solve for x
x = 11,726,608,102.84/125,220.08 - Step 6: Final answer
x = 93,647.99
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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.