Finding the Fourth Proportional to 105,893.13, 158,880.99 and 46,687.17
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Solution
The fourth proportional to 105,893.13, 158,880.99 and 46,687.17 is: 70,048.96
Step by Step Solution
- Step 1: Write the proportion equation
105,893.13 : 158,880.99 = 46,687.17 : x - Step 2: Convert to fraction form
105,893.13/158,880.99 = 46,687.17/x - Step 3: Cross multiply
105,893.13x = 158,880.99 × 46,687.17 - Step 4: Simplify right side
105,893.13x = 7,417,703,789.90 - Step 5: Solve for x
x = 7,417,703,789.90/105,893.13 - Step 6: Final answer
x = 70,048.96
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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.