Finding the Fourth Proportional to 125,813.13, 173,587.66 and 87,529.69
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Solution
The fourth proportional to 125,813.13, 173,587.66 and 87,529.69 is: 120,767.00
Step by Step Solution
- Step 1: Write the proportion equation
125,813.13 : 173,587.66 = 87,529.69 : x - Step 2: Convert to fraction form
125,813.13/173,587.66 = 87,529.69/x - Step 3: Cross multiply
125,813.13x = 173,587.66 × 87,529.69 - Step 4: Simplify right side
125,813.13x = 15,194,074,067.63 - Step 5: Solve for x
x = 15,194,074,067.63/125,813.13 - Step 6: Final answer
x = 120,767.00
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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.