Finding the Fourth Proportional to 125,911.53, 173,705.85 and 74,914.07
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Solution
The fourth proportional to 125,911.53, 173,705.85 and 74,914.07 is: 103,350.43
Step by Step Solution
- Step 1: Write the proportion equation
125,911.53 : 173,705.85 = 74,914.07 : x - Step 2: Convert to fraction form
125,911.53/173,705.85 = 74,914.07/x - Step 3: Cross multiply
125,911.53x = 173,705.85 × 74,914.07 - Step 4: Simplify right side
125,911.53x = 13,013,011,337.78 - Step 5: Solve for x
x = 13,013,011,337.78/125,911.53 - Step 6: Final answer
x = 103,350.43
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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.