Finding the Fourth Proportional to 125,582.90, 173,303.25 and 68,221.46
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Solution
The fourth proportional to 125,582.90, 173,303.25 and 68,221.46 is: 94,144.99
Step by Step Solution
- Step 1: Write the proportion equation
125,582.90 : 173,303.25 = 68,221.46 : x - Step 2: Convert to fraction form
125,582.90/173,303.25 = 68,221.46/x - Step 3: Cross multiply
125,582.90x = 173,303.25 × 68,221.46 - Step 4: Simplify right side
125,582.90x = 11,823,000,737.75 - Step 5: Solve for x
x = 11,823,000,737.75/125,582.90 - Step 6: Final answer
x = 94,144.99
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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.