Finding the Fourth Proportional to 166,585.65, 229,887.95 and 91,134.15
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Solution
The fourth proportional to 166,585.65, 229,887.95 and 91,134.15 is: 125,764.99
Step by Step Solution
- Step 1: Write the proportion equation
166,585.65 : 229,887.95 = 91,134.15 : x - Step 2: Convert to fraction form
166,585.65/229,887.95 = 91,134.15/x - Step 3: Cross multiply
166,585.65x = 229,887.95 × 91,134.15 - Step 4: Simplify right side
166,585.65x = 20,950,641,996.89 - Step 5: Solve for x
x = 20,950,641,996.89/166,585.65 - Step 6: Final answer
x = 125,764.99
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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.