Finding the Fourth Proportional to 125,686.62, 173,451.99 and 69,102.30
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Solution
The fourth proportional to 125,686.62, 173,451.99 and 69,102.30 is: 95,363.62
Step by Step Solution
- Step 1: Write the proportion equation
125,686.62 : 173,451.99 = 69,102.30 : x - Step 2: Convert to fraction form
125,686.62/173,451.99 = 69,102.30/x - Step 3: Cross multiply
125,686.62x = 173,451.99 × 69,102.30 - Step 4: Simplify right side
125,686.62x = 11,985,931,448.58 - Step 5: Solve for x
x = 11,985,931,448.58/125,686.62 - Step 6: Final answer
x = 95,363.62
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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.