Finding the Fourth Proportional to 140,213.08, 193,497.34 and 76,551.32
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Solution
The fourth proportional to 140,213.08, 193,497.34 and 76,551.32 is: 105,642.62
Step by Step Solution
- Step 1: Write the proportion equation
140,213.08 : 193,497.34 = 76,551.32 : x - Step 2: Convert to fraction form
140,213.08/193,497.34 = 76,551.32/x - Step 3: Cross multiply
140,213.08x = 193,497.34 × 76,551.32 - Step 4: Simplify right side
140,213.08x = 14,812,476,793.49 - Step 5: Solve for x
x = 14,812,476,793.49/140,213.08 - Step 6: Final answer
x = 105,642.62
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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.