Finding the Fourth Proportional to 140,771.24, 194,264.36 and 77,110.08
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Solution
The fourth proportional to 140,771.24, 194,264.36 and 77,110.08 is: 106,411.94
Step by Step Solution
- Step 1: Write the proportion equation
140,771.24 : 194,264.36 = 77,110.08 : x - Step 2: Convert to fraction form
140,771.24/194,264.36 = 77,110.08/x - Step 3: Cross multiply
140,771.24x = 194,264.36 × 77,110.08 - Step 4: Simplify right side
140,771.24x = 14,979,740,340.75 - Step 5: Solve for x
x = 14,979,740,340.75/140,771.24 - Step 6: Final answer
x = 106,411.94
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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.