Finding the Fourth Proportional to 124,143.45, 186,216.91 and 35,396.99
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Solution
The fourth proportional to 124,143.45, 186,216.91 and 35,396.99 is: 53,095.98
Step by Step Solution
- Step 1: Write the proportion equation
124,143.45 : 186,216.91 = 35,396.99 : x - Step 2: Convert to fraction form
124,143.45/186,216.91 = 35,396.99/x - Step 3: Cross multiply
124,143.45x = 186,216.91 × 35,396.99 - Step 4: Simplify right side
124,143.45x = 6,591,518,101.10 - Step 5: Solve for x
x = 6,591,518,101.10/124,143.45 - Step 6: Final answer
x = 53,095.98
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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.