Finding the Fourth Proportional to 131,562.34, 181,415.84 and 106,041.88
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Solution
The fourth proportional to 131,562.34, 181,415.84 and 106,041.88 is: 146,224.80
Step by Step Solution
- Step 1: Write the proportion equation
131,562.34 : 181,415.84 = 106,041.88 : x - Step 2: Convert to fraction form
131,562.34/181,415.84 = 106,041.88/x - Step 3: Cross multiply
131,562.34x = 181,415.84 × 106,041.88 - Step 4: Simplify right side
131,562.34x = 19,237,676,735.38 - Step 5: Solve for x
x = 19,237,676,735.38/131,562.34 - Step 6: Final answer
x = 146,224.80
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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.