Finding the Fourth Proportional to 130,532.73, 195,854.91 and 54,648.99
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Solution
The fourth proportional to 130,532.73, 195,854.91 and 54,648.99 is: 81,996.85
Step by Step Solution
- Step 1: Write the proportion equation
130,532.73 : 195,854.91 = 54,648.99 : x - Step 2: Convert to fraction form
130,532.73/195,854.91 = 54,648.99/x - Step 3: Cross multiply
130,532.73x = 195,854.91 × 54,648.99 - Step 4: Simplify right side
130,532.73x = 10,703,273,018.04 - Step 5: Solve for x
x = 10,703,273,018.04/130,532.73 - Step 6: Final answer
x = 81,996.85
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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.