Finding the Fourth Proportional to 124,361.80, 186,145.80 and 98,117.80
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Solution
The fourth proportional to 124,361.80, 186,145.80 and 98,117.80 is: 146,863.56
Step by Step Solution
- Step 1: Write the proportion equation
124,361.80 : 186,145.80 = 98,117.80 : x - Step 2: Convert to fraction form
124,361.80/186,145.80 = 98,117.80/x - Step 3: Cross multiply
124,361.80x = 186,145.80 × 98,117.80 - Step 4: Simplify right side
124,361.80x = 18,264,216,375.24 - Step 5: Solve for x
x = 18,264,216,375.24/124,361.80 - Step 6: Final answer
x = 146,863.56
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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.