Finding the Fourth Proportional to 146,764.78, 202,535.52 and 83,102.68
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Solution
The fourth proportional to 146,764.78, 202,535.52 and 83,102.68 is: 114,681.77
Step by Step Solution
- Step 1: Write the proportion equation
146,764.78 : 202,535.52 = 83,102.68 : x - Step 2: Convert to fraction form
146,764.78/202,535.52 = 83,102.68/x - Step 3: Cross multiply
146,764.78x = 202,535.52 × 83,102.68 - Step 4: Simplify right side
146,764.78x = 16,831,244,507.19 - Step 5: Solve for x
x = 16,831,244,507.19/146,764.78 - Step 6: Final answer
x = 114,681.77
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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.