Finding the Fourth Proportional to 106,740.09, 147,299.99 and 58,341.78
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Solution
The fourth proportional to 106,740.09, 147,299.99 and 58,341.78 is: 80,510.92
Step by Step Solution
- Step 1: Write the proportion equation
106,740.09 : 147,299.99 = 58,341.78 : x - Step 2: Convert to fraction form
106,740.09/147,299.99 = 58,341.78/x - Step 3: Cross multiply
106,740.09x = 147,299.99 × 58,341.78 - Step 4: Simplify right side
106,740.09x = 8,593,743,318.87 - Step 5: Solve for x
x = 8,593,743,318.87/106,740.09 - Step 6: Final answer
x = 80,510.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.