Finding the Fourth Proportional to 106,486.08, 159,455.94 and 103,332.75
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Solution
The fourth proportional to 106,486.08, 159,455.94 and 103,332.75 is: 154,734.03
Step by Step Solution
- Step 1: Write the proportion equation
106,486.08 : 159,455.94 = 103,332.75 : x - Step 2: Convert to fraction form
106,486.08/159,455.94 = 103,332.75/x - Step 3: Cross multiply
106,486.08x = 159,455.94 × 103,332.75 - Step 4: Simplify right side
106,486.08x = 16,477,020,784.04 - Step 5: Solve for x
x = 16,477,020,784.04/106,486.08 - Step 6: Final answer
x = 154,734.03
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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.