Finding the Fourth Proportional to 125,923.96, 173,722.04 and 83,408.68
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Solution
The fourth proportional to 125,923.96, 173,722.04 and 83,408.68 is: 115,068.85
Step by Step Solution
- Step 1: Write the proportion equation
125,923.96 : 173,722.04 = 83,408.68 : x - Step 2: Convert to fraction form
125,923.96/173,722.04 = 83,408.68/x - Step 3: Cross multiply
125,923.96x = 173,722.04 × 83,408.68 - Step 4: Simplify right side
125,923.96x = 14,489,925,191.96 - Step 5: Solve for x
x = 14,489,925,191.96/125,923.96 - Step 6: Final answer
x = 115,068.85
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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.