Finding the Fourth Proportional to 140,052.08, 193,274.28 and 76,392.08
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Solution
The fourth proportional to 140,052.08, 193,274.28 and 76,392.08 is: 105,422.38
Step by Step Solution
- Step 1: Write the proportion equation
140,052.08 : 193,274.28 = 76,392.08 : x - Step 2: Convert to fraction form
140,052.08/193,274.28 = 76,392.08/x - Step 3: Cross multiply
140,052.08x = 193,274.28 × 76,392.08 - Step 4: Simplify right side
140,052.08x = 14,764,624,259.70 - Step 5: Solve for x
x = 14,764,624,259.70/140,052.08 - Step 6: Final answer
x = 105,422.38
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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.