Finding the Fourth Proportional to 146,134.55, 201,686.01 and 85,724.75
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Solution
The fourth proportional to 146,134.55, 201,686.01 and 85,724.75 is: 118,312.08
Step by Step Solution
- Step 1: Write the proportion equation
146,134.55 : 201,686.01 = 85,724.75 : x - Step 2: Convert to fraction form
146,134.55/201,686.01 = 85,724.75/x - Step 3: Cross multiply
146,134.55x = 201,686.01 × 85,724.75 - Step 4: Simplify right side
146,134.55x = 17,289,482,785.75 - Step 5: Solve for x
x = 17,289,482,785.75/146,134.55 - Step 6: Final answer
x = 118,312.08
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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.