Finding the Fourth Proportional to 163,536.80, 245,110.80 and 68,766.80
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Solution
The fourth proportional to 163,536.80, 245,110.80 and 68,766.80 is: 103,068.46
Step by Step Solution
- Step 1: Write the proportion equation
163,536.80 : 245,110.80 = 68,766.80 : x - Step 2: Convert to fraction form
163,536.80/245,110.80 = 68,766.80/x - Step 3: Cross multiply
163,536.80x = 245,110.80 × 68,766.80 - Step 4: Simplify right side
163,536.80x = 16,855,485,361.44 - Step 5: Solve for x
x = 16,855,485,361.44/163,536.80 - Step 6: Final answer
x = 103,068.46
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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.