Finding the Fourth Proportional to 115,727.40, 159,720.84 and 73,289.88
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Solution
The fourth proportional to 115,727.40, 159,720.84 and 73,289.88 is: 101,150.82
Step by Step Solution
- Step 1: Write the proportion equation
115,727.40 : 159,720.84 = 73,289.88 : x - Step 2: Convert to fraction form
115,727.40/159,720.84 = 73,289.88/x - Step 3: Cross multiply
115,727.40x = 159,720.84 × 73,289.88 - Step 4: Simplify right side
115,727.40x = 11,705,921,197.10 - Step 5: Solve for x
x = 11,705,921,197.10/115,727.40 - Step 6: Final answer
x = 101,150.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.