Finding the Fourth Proportional to 112,855.14, 169,136.91 and 53,708.94
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Solution
The fourth proportional to 112,855.14, 169,136.91 and 53,708.94 is: 80,494.02
Step by Step Solution
- Step 1: Write the proportion equation
112,855.14 : 169,136.91 = 53,708.94 : x - Step 2: Convert to fraction form
112,855.14/169,136.91 = 53,708.94/x - Step 3: Cross multiply
112,855.14x = 169,136.91 × 53,708.94 - Step 4: Simplify right side
112,855.14x = 9,084,164,150.98 - Step 5: Solve for x
x = 9,084,164,150.98/112,855.14 - Step 6: Final answer
x = 80,494.02
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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.