Finding the Fourth Proportional to 140,756.19, 194,246.70 and 80,325.63
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Solution
The fourth proportional to 140,756.19, 194,246.70 and 80,325.63 is: 110,851.17
Step by Step Solution
- Step 1: Write the proportion equation
140,756.19 : 194,246.70 = 80,325.63 : x - Step 2: Convert to fraction form
140,756.19/194,246.70 = 80,325.63/x - Step 3: Cross multiply
140,756.19x = 194,246.70 × 80,325.63 - Step 4: Simplify right side
140,756.19x = 15,602,988,552.92 - Step 5: Solve for x
x = 15,602,988,552.92/140,756.19 - Step 6: Final answer
x = 110,851.17
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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.