Finding the Fourth Proportional to 96,555.70, 144,833.55 and 84,891.70
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Solution
The fourth proportional to 96,555.70, 144,833.55 and 84,891.70 is: 127,337.55
Step by Step Solution
- Step 1: Write the proportion equation
96,555.70 : 144,833.55 = 84,891.70 : x - Step 2: Convert to fraction form
96,555.70/144,833.55 = 84,891.70/x - Step 3: Cross multiply
96,555.70x = 144,833.55 × 84,891.70 - Step 4: Simplify right side
96,555.70x = 12,295,166,276.54 - Step 5: Solve for x
x = 12,295,166,276.54/96,555.70 - Step 6: Final answer
x = 127,337.55
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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.