Finding the Fourth Proportional to 125,927.68, 187,970.19 and 110,981.38
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Solution
The fourth proportional to 125,927.68, 187,970.19 and 110,981.38 is: 165,660.09
Step by Step Solution
- Step 1: Write the proportion equation
125,927.68 : 187,970.19 = 110,981.38 : x - Step 2: Convert to fraction form
125,927.68/187,970.19 = 110,981.38/x - Step 3: Cross multiply
125,927.68x = 187,970.19 × 110,981.38 - Step 4: Simplify right side
125,927.68x = 20,861,191,085.06 - Step 5: Solve for x
x = 20,861,191,085.06/125,927.68 - Step 6: Final answer
x = 165,660.09
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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.