Finding the Fourth Proportional to 125,922.41, 173,787.95 and 74,251.19
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Solution
The fourth proportional to 125,922.41, 173,787.95 and 74,251.19 is: 102,475.51
Step by Step Solution
- Step 1: Write the proportion equation
125,922.41 : 173,787.95 = 74,251.19 : x - Step 2: Convert to fraction form
125,922.41/173,787.95 = 74,251.19/x - Step 3: Cross multiply
125,922.41x = 173,787.95 × 74,251.19 - Step 4: Simplify right side
125,922.41x = 12,903,962,715.26 - Step 5: Solve for x
x = 12,903,962,715.26/125,922.41 - Step 6: Final answer
x = 102,475.51
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1.5x scale
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.