Finding the Fourth Proportional to 139,465.08, 192,463.09 and 75,803.03
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Solution
The fourth proportional to 139,465.08, 192,463.09 and 75,803.03 is: 104,608.88
Step by Step Solution
- Step 1: Write the proportion equation
139,465.08 : 192,463.09 = 75,803.03 : x - Step 2: Convert to fraction form
139,465.08/192,463.09 = 75,803.03/x - Step 3: Cross multiply
139,465.08x = 192,463.09 × 75,803.03 - Step 4: Simplify right side
139,465.08x = 14,589,285,487.31 - Step 5: Solve for x
x = 14,589,285,487.31/139,465.08 - Step 6: Final answer
x = 104,608.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.