Finding the Fourth Proportional to 166,107.20, 249,160.80 and 156,921.80
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Solution
The fourth proportional to 166,107.20, 249,160.80 and 156,921.80 is: 235,382.70
Step by Step Solution
- Step 1: Write the proportion equation
166,107.20 : 249,160.80 = 156,921.80 : x - Step 2: Convert to fraction form
166,107.20/249,160.80 = 156,921.80/x - Step 3: Cross multiply
166,107.20x = 249,160.80 × 156,921.80 - Step 4: Simplify right side
166,107.20x = 39,098,761,225.44 - Step 5: Solve for x
x = 39,098,761,225.44/166,107.20 - Step 6: Final answer
x = 235,382.70
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1.5x scale
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.