Finding the Fourth Proportional to 129,976.17, 194,987.29 and 58,895.94
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Solution
The fourth proportional to 129,976.17, 194,987.29 and 58,895.94 is: 88,354.34
Step by Step Solution
- Step 1: Write the proportion equation
129,976.17 : 194,987.29 = 58,895.94 : x - Step 2: Convert to fraction form
129,976.17/194,987.29 = 58,895.94/x - Step 3: Cross multiply
129,976.17x = 194,987.29 × 58,895.94 - Step 4: Simplify right side
129,976.17x = 11,483,959,245.13 - Step 5: Solve for x
x = 11,483,959,245.13/129,976.17 - Step 6: Final answer
x = 88,354.34
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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.