Finding the Fourth Proportional to 146,186.58, 201,737.50 and 79,118.58
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Solution
The fourth proportional to 146,186.58, 201,737.50 and 79,118.58 is: 109,183.65
Step by Step Solution
- Step 1: Write the proportion equation
146,186.58 : 201,737.50 = 79,118.58 : x - Step 2: Convert to fraction form
146,186.58/201,737.50 = 79,118.58/x - Step 3: Cross multiply
146,186.58x = 201,737.50 × 79,118.58 - Step 4: Simplify right side
146,186.58x = 15,961,184,532.75 - Step 5: Solve for x
x = 15,961,184,532.75/146,186.58 - Step 6: Final answer
x = 109,183.65
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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.