Finding the Fourth Proportional to 115,183.17, 158,950.35 and 64,195.65
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Solution
The fourth proportional to 115,183.17, 158,950.35 and 64,195.65 is: 88,588.65
Step by Step Solution
- Step 1: Write the proportion equation
115,183.17 : 158,950.35 = 64,195.65 : x - Step 2: Convert to fraction form
115,183.17/158,950.35 = 64,195.65/x - Step 3: Cross multiply
115,183.17x = 158,950.35 × 64,195.65 - Step 4: Simplify right side
115,183.17x = 10,203,921,035.98 - Step 5: Solve for x
x = 10,203,921,035.98/115,183.17 - Step 6: Final answer
x = 88,588.65
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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.