Finding the Fourth Proportional to 118,933.95, 178,051.00 and 79,392.99
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Solution
The fourth proportional to 118,933.95, 178,051.00 and 79,392.99 is: 118,855.89
Step by Step Solution
- Step 1: Write the proportion equation
118,933.95 : 178,051.00 = 79,392.99 : x - Step 2: Convert to fraction form
118,933.95/178,051.00 = 79,392.99/x - Step 3: Cross multiply
118,933.95x = 178,051.00 × 79,392.99 - Step 4: Simplify right side
118,933.95x = 14,136,000,865.53 - Step 5: Solve for x
x = 14,136,000,865.53/118,933.95 - Step 6: Final answer
x = 118,855.89
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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.