Finding the Fourth Proportional to 142,036.12, 213,054.18 and 48,542.68
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Solution
The fourth proportional to 142,036.12, 213,054.18 and 48,542.68 is: 72,814.02
Step by Step Solution
- Step 1: Write the proportion equation
142,036.12 : 213,054.18 = 48,542.68 : x - Step 2: Convert to fraction form
142,036.12/213,054.18 = 48,542.68/x - Step 3: Cross multiply
142,036.12x = 213,054.18 × 48,542.68 - Step 4: Simplify right side
142,036.12x = 10,342,220,882.40 - Step 5: Solve for x
x = 10,342,220,882.40/142,036.12 - Step 6: Final answer
x = 72,814.02
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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.