Finding the Fourth Proportional to 106,945.92, 147,586.46 and 59,202.09
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Solution
The fourth proportional to 106,945.92, 147,586.46 and 59,202.09 is: 81,699.49
Step by Step Solution
- Step 1: Write the proportion equation
106,945.92 : 147,586.46 = 59,202.09 : x - Step 2: Convert to fraction form
106,945.92/147,586.46 = 59,202.09/x - Step 3: Cross multiply
106,945.92x = 147,586.46 × 59,202.09 - Step 4: Simplify right side
106,945.92x = 8,737,426,591.69 - Step 5: Solve for x
x = 8,737,426,591.69/106,945.92 - Step 6: Final answer
x = 81,699.49
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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.