Finding the Fourth Proportional to 99,559.38, 148,988.10 and 62,136.99
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Solution
The fourth proportional to 99,559.38, 148,988.10 and 62,136.99 is: 92,986.44
Step by Step Solution
- Step 1: Write the proportion equation
99,559.38 : 148,988.10 = 62,136.99 : x - Step 2: Convert to fraction form
99,559.38/148,988.10 = 62,136.99/x - Step 3: Cross multiply
99,559.38x = 148,988.10 × 62,136.99 - Step 4: Simplify right side
99,559.38x = 9,257,672,079.82 - Step 5: Solve for x
x = 9,257,672,079.82/99,559.38 - Step 6: Final answer
x = 92,986.44
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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.