Finding the Fourth Proportional to 144,323.87, 199,037.54 and 120,204.91
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Solution
The fourth proportional to 144,323.87, 199,037.54 and 120,204.91 is: 165,774.99
Step by Step Solution
- Step 1: Write the proportion equation
144,323.87 : 199,037.54 = 120,204.91 : x - Step 2: Convert to fraction form
144,323.87/199,037.54 = 120,204.91/x - Step 3: Cross multiply
144,323.87x = 199,037.54 × 120,204.91 - Step 4: Simplify right side
144,323.87x = 23,925,287,986.11 - Step 5: Solve for x
x = 23,925,287,986.11/144,323.87 - Step 6: Final answer
x = 165,774.99
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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.