Finding the Fourth Proportional to 147,683.54, 203,742.62 and 109,536.96
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Solution
The fourth proportional to 147,683.54, 203,742.62 and 109,536.96 is: 151,116.01
Step by Step Solution
- Step 1: Write the proportion equation
147,683.54 : 203,742.62 = 109,536.96 : x - Step 2: Convert to fraction form
147,683.54/203,742.62 = 109,536.96/x - Step 3: Cross multiply
147,683.54x = 203,742.62 × 109,536.96 - Step 4: Simplify right side
147,683.54x = 22,317,347,217.24 - Step 5: Solve for x
x = 22,317,347,217.24/147,683.54 - Step 6: Final answer
x = 151,116.01
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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.