Finding the Fourth Proportional to 125,465.76, 173,098.08 and 74,439.54
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Solution
The fourth proportional to 125,465.76, 173,098.08 and 74,439.54 is: 102,700.06
Step by Step Solution
- Step 1: Write the proportion equation
125,465.76 : 173,098.08 = 74,439.54 : x - Step 2: Convert to fraction form
125,465.76/173,098.08 = 74,439.54/x - Step 3: Cross multiply
125,465.76x = 173,098.08 × 74,439.54 - Step 4: Simplify right side
125,465.76x = 12,885,341,450.08 - Step 5: Solve for x
x = 12,885,341,450.08/125,465.76 - Step 6: Final answer
x = 102,700.06
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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.