Finding the Fourth Proportional to 146,767.12, 202,539.36 and 83,117.32
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Solution
The fourth proportional to 146,767.12, 202,539.36 and 83,117.32 is: 114,702.32
Step by Step Solution
- Step 1: Write the proportion equation
146,767.12 : 202,539.36 = 83,117.32 : x - Step 2: Convert to fraction form
146,767.12/202,539.36 = 83,117.32/x - Step 3: Cross multiply
146,767.12x = 202,539.36 × 83,117.32 - Step 4: Simplify right side
146,767.12x = 16,834,528,797.72 - Step 5: Solve for x
x = 16,834,528,797.72/146,767.12 - Step 6: Final answer
x = 114,702.32
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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.