Finding the Fourth Proportional to 115,555.24, 159,534.98 and 73,150.12
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Solution
The fourth proportional to 115,555.24, 159,534.98 and 73,150.12 is: 100,990.69
Step by Step Solution
- Step 1: Write the proportion equation
115,555.24 : 159,534.98 = 73,150.12 : x - Step 2: Convert to fraction form
115,555.24/159,534.98 = 73,150.12/x - Step 3: Cross multiply
115,555.24x = 159,534.98 × 73,150.12 - Step 4: Simplify right side
115,555.24x = 11,670,002,931.20 - Step 5: Solve for x
x = 11,670,002,931.20/115,555.24 - Step 6: Final answer
x = 100,990.69
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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.