Finding the Fourth Proportional to 146,502.08, 202,173.12 and 79,434.08
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Solution
The fourth proportional to 146,502.08, 202,173.12 and 79,434.08 is: 109,619.17
Step by Step Solution
- Step 1: Write the proportion equation
146,502.08 : 202,173.12 = 79,434.08 : x - Step 2: Convert to fraction form
146,502.08/202,173.12 = 79,434.08/x - Step 3: Cross multiply
146,502.08x = 202,173.12 × 79,434.08 - Step 4: Simplify right side
146,502.08x = 16,059,435,787.93 - Step 5: Solve for x
x = 16,059,435,787.93/146,502.08 - Step 6: Final answer
x = 109,619.17
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1.5x scale
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.