Finding the Fourth Proportional to 124,415.40, 186,623.10 and 68,233.80
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Solution
The fourth proportional to 124,415.40, 186,623.10 and 68,233.80 is: 102,350.70
Step by Step Solution
- Step 1: Write the proportion equation
124,415.40 : 186,623.10 = 68,233.80 : x - Step 2: Convert to fraction form
124,415.40/186,623.10 = 68,233.80/x - Step 3: Cross multiply
124,415.40x = 186,623.10 × 68,233.80 - Step 4: Simplify right side
124,415.40x = 12,734,003,280.78 - Step 5: Solve for x
x = 12,734,003,280.78/124,415.40 - Step 6: Final answer
x = 102,350.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.