Finding the Fourth Proportional to 134,890.20, 202,335.30 and 95,491.80
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Solution
The fourth proportional to 134,890.20, 202,335.30 and 95,491.80 is: 143,237.70
Step by Step Solution
- Step 1: Write the proportion equation
134,890.20 : 202,335.30 = 95,491.80 : x - Step 2: Convert to fraction form
134,890.20/202,335.30 = 95,491.80/x - Step 3: Cross multiply
134,890.20x = 202,335.30 × 95,491.80 - Step 4: Simplify right side
134,890.20x = 19,321,362,000.54 - Step 5: Solve for x
x = 19,321,362,000.54/134,890.20 - Step 6: Final answer
x = 143,237.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.