Finding the Fourth Proportional to 106,784.10, 160,176.15 and 102,701.70
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Solution
The fourth proportional to 106,784.10, 160,176.15 and 102,701.70 is: 154,052.55
Step by Step Solution
- Step 1: Write the proportion equation
106,784.10 : 160,176.15 = 102,701.70 : x - Step 2: Convert to fraction form
106,784.10/160,176.15 = 102,701.70/x - Step 3: Cross multiply
106,784.10x = 160,176.15 × 102,701.70 - Step 4: Simplify right side
106,784.10x = 16,450,362,904.46 - Step 5: Solve for x
x = 16,450,362,904.46/106,784.10 - Step 6: Final answer
x = 154,052.55
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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.