Finding the Fourth Proportional to 109,506.08, 151,107.06 and 80,840.96
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Solution
The fourth proportional to 109,506.08, 151,107.06 and 80,840.96 is: 111,552.16
Step by Step Solution
- Step 1: Write the proportion equation
109,506.08 : 151,107.06 = 80,840.96 : x - Step 2: Convert to fraction form
109,506.08/151,107.06 = 80,840.96/x - Step 3: Cross multiply
109,506.08x = 151,107.06 × 80,840.96 - Step 4: Simplify right side
109,506.08x = 12,215,639,793.18 - Step 5: Solve for x
x = 12,215,639,793.18/109,506.08 - Step 6: Final answer
x = 111,552.16
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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.