Finding the Fourth Proportional to 106,996.08, 147,640.11 and 59,248.20
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Solution
The fourth proportional to 106,996.08, 147,640.11 and 59,248.20 is: 81,754.50
Step by Step Solution
- Step 1: Write the proportion equation
106,996.08 : 147,640.11 = 59,248.20 : x - Step 2: Convert to fraction form
106,996.08/147,640.11 = 59,248.20/x - Step 3: Cross multiply
106,996.08x = 147,640.11 × 59,248.20 - Step 4: Simplify right side
106,996.08x = 8,747,410,765.30 - Step 5: Solve for x
x = 8,747,410,765.30/106,996.08 - Step 6: Final answer
x = 81,754.50
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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.