Finding the Fourth Proportional to 136,086.08, 187,798.08 and 76,470.08
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Solution
The fourth proportional to 136,086.08, 187,798.08 and 76,470.08 is: 105,528.31
Step by Step Solution
- Step 1: Write the proportion equation
136,086.08 : 187,798.08 = 76,470.08 : x - Step 2: Convert to fraction form
136,086.08/187,798.08 = 76,470.08/x - Step 3: Cross multiply
136,086.08x = 187,798.08 × 76,470.08 - Step 4: Simplify right side
136,086.08x = 14,360,934,201.45 - Step 5: Solve for x
x = 14,360,934,201.45/136,086.08 - Step 6: Final answer
x = 105,528.31
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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.