Finding the Fourth Proportional to 115,424.01, 159,293.15 and 64,446.75
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Solution
The fourth proportional to 115,424.01, 159,293.15 and 64,446.75 is: 88,940.99
Step by Step Solution
- Step 1: Write the proportion equation
115,424.01 : 159,293.15 = 64,446.75 : x - Step 2: Convert to fraction form
115,424.01/159,293.15 = 64,446.75/x - Step 3: Cross multiply
115,424.01x = 159,293.15 × 64,446.75 - Step 4: Simplify right side
115,424.01x = 10,265,925,492.53 - Step 5: Solve for x
x = 10,265,925,492.53/115,424.01 - Step 6: Final answer
x = 88,940.99
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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.