Finding the Fourth Proportional to 168,019.08, 252,134.12 and 68,179.69
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Solution
The fourth proportional to 168,019.08, 252,134.12 and 68,179.69 is: 102,312.35
Step by Step Solution
- Step 1: Write the proportion equation
168,019.08 : 252,134.12 = 68,179.69 : x - Step 2: Convert to fraction form
168,019.08/252,134.12 = 68,179.69/x - Step 3: Cross multiply
168,019.08x = 252,134.12 × 68,179.69 - Step 4: Simplify right side
168,019.08x = 17,190,426,140.02 - Step 5: Solve for x
x = 17,190,426,140.02/168,019.08 - Step 6: Final answer
x = 102,312.35
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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.