Finding the Fourth Proportional to 142,592.36, 214,276.26 and 76,079.48
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Solution
The fourth proportional to 142,592.36, 214,276.26 and 76,079.48 is: 114,326.09
Step by Step Solution
- Step 1: Write the proportion equation
142,592.36 : 214,276.26 = 76,079.48 : x - Step 2: Convert to fraction form
142,592.36/214,276.26 = 76,079.48/x - Step 3: Cross multiply
142,592.36x = 214,276.26 × 76,079.48 - Step 4: Simplify right side
142,592.36x = 16,302,026,437.14 - Step 5: Solve for x
x = 16,302,026,437.14/142,592.36 - Step 6: Final answer
x = 114,326.09
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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.