Finding the Fourth Proportional to 124,382.24, 171,754.80 and 106,652.96
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Solution
The fourth proportional to 124,382.24, 171,754.80 and 106,652.96 is: 147,273.10
Step by Step Solution
- Step 1: Write the proportion equation
124,382.24 : 171,754.80 = 106,652.96 : x - Step 2: Convert to fraction form
124,382.24/171,754.80 = 106,652.96/x - Step 3: Cross multiply
124,382.24x = 171,754.80 × 106,652.96 - Step 4: Simplify right side
124,382.24x = 18,318,157,814.21 - Step 5: Solve for x
x = 18,318,157,814.21/124,382.24 - Step 6: Final answer
x = 147,273.10
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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.