Finding the Fourth Proportional to 125,572.96, 173,213.82 and 74,551.06
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Solution
The fourth proportional to 125,572.96, 173,213.82 and 74,551.06 is: 102,834.83
Step by Step Solution
- Step 1: Write the proportion equation
125,572.96 : 173,213.82 = 74,551.06 : x - Step 2: Convert to fraction form
125,572.96/173,213.82 = 74,551.06/x - Step 3: Cross multiply
125,572.96x = 173,213.82 × 74,551.06 - Step 4: Simplify right side
125,572.96x = 12,913,273,887.65 - Step 5: Solve for x
x = 12,913,273,887.65/125,572.96 - Step 6: Final answer
x = 102,834.83
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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.