Finding the Fourth Proportional to 112,549.02, 155,296.09 and 64,149.99
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Solution
The fourth proportional to 112,549.02, 155,296.09 and 64,149.99 is: 88,514.70
Step by Step Solution
- Step 1: Write the proportion equation
112,549.02 : 155,296.09 = 64,149.99 : x - Step 2: Convert to fraction form
112,549.02/155,296.09 = 64,149.99/x - Step 3: Cross multiply
112,549.02x = 155,296.09 × 64,149.99 - Step 4: Simplify right side
112,549.02x = 9,962,242,620.54 - Step 5: Solve for x
x = 9,962,242,620.54/112,549.02 - Step 6: Final answer
x = 88,514.70
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1.5x scale
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.