Finding the Fourth Proportional to 134,638.07, 202,104.75 and 55,807.65
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Solution
The fourth proportional to 134,638.07, 202,104.75 and 55,807.65 is: 83,772.68
Step by Step Solution
- Step 1: Write the proportion equation
134,638.07 : 202,104.75 = 55,807.65 : x - Step 2: Convert to fraction form
134,638.07/202,104.75 = 55,807.65/x - Step 3: Cross multiply
134,638.07x = 202,104.75 × 55,807.65 - Step 4: Simplify right side
134,638.07x = 11,278,991,360.62 - Step 5: Solve for x
x = 11,278,991,360.62/134,638.07 - Step 6: Final answer
x = 83,772.68
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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.