Finding the Fourth Proportional to 125,928.18, 187,970.94 and 110,981.88
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Solution
The fourth proportional to 125,928.18, 187,970.94 and 110,981.88 is: 165,660.84
Step by Step Solution
- Step 1: Write the proportion equation
125,928.18 : 187,970.94 = 110,981.88 : x - Step 2: Convert to fraction form
125,928.18/187,970.94 = 110,981.88/x - Step 3: Cross multiply
125,928.18x = 187,970.94 × 110,981.88 - Step 4: Simplify right side
125,928.18x = 20,861,368,306.57 - Step 5: Solve for x
x = 20,861,368,306.57/125,928.18 - Step 6: Final answer
x = 165,660.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.