Finding the Fourth Proportional to 142,467.14, 195,575.13 and 122,288.99
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Solution
The fourth proportional to 142,467.14, 195,575.13 and 122,288.99 is: 167,875.10
Step by Step Solution
- Step 1: Write the proportion equation
142,467.14 : 195,575.13 = 122,288.99 : x - Step 2: Convert to fraction form
142,467.14/195,575.13 = 122,288.99/x - Step 3: Cross multiply
142,467.14x = 195,575.13 × 122,288.99 - Step 4: Simplify right side
142,467.14x = 23,916,685,582.99 - Step 5: Solve for x
x = 23,916,685,582.99/142,467.14 - Step 6: Final answer
x = 167,875.10
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.