Finding the Fourth Proportional to 163,537.80, 245,112.30 and 68,767.80
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Solution
The fourth proportional to 163,537.80, 245,112.30 and 68,767.80 is: 103,069.95
Step by Step Solution
- Step 1: Write the proportion equation
163,537.80 : 245,112.30 = 68,767.80 : x - Step 2: Convert to fraction form
163,537.80/245,112.30 = 68,767.80/x - Step 3: Cross multiply
163,537.80x = 245,112.30 × 68,767.80 - Step 4: Simplify right side
163,537.80x = 16,855,833,623.94 - Step 5: Solve for x
x = 16,855,833,623.94/163,537.80 - Step 6: Final answer
x = 103,069.95
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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.