Finding the Fourth Proportional to 146,782.31, 202,564.35 and 83,118.74
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Solution
The fourth proportional to 146,782.31, 202,564.35 and 83,118.74 is: 114,706.55
Step by Step Solution
- Step 1: Write the proportion equation
146,782.31 : 202,564.35 = 83,118.74 : x - Step 2: Convert to fraction form
146,782.31/202,564.35 = 83,118.74/x - Step 3: Cross multiply
146,782.31x = 202,564.35 × 83,118.74 - Step 4: Simplify right side
146,782.31x = 16,836,892,528.10 - Step 5: Solve for x
x = 16,836,892,528.10/146,782.31 - Step 6: Final answer
x = 114,706.55
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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.