Finding the Fourth Proportional to 131,346.97, 181,234.74 and 73,974.00
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Solution
The fourth proportional to 131,346.97, 181,234.74 and 73,974.00 is: 102,070.56
Step by Step Solution
- Step 1: Write the proportion equation
131,346.97 : 181,234.74 = 73,974.00 : x - Step 2: Convert to fraction form
131,346.97/181,234.74 = 73,974.00/x - Step 3: Cross multiply
131,346.97x = 181,234.74 × 73,974.00 - Step 4: Simplify right side
131,346.97x = 13,406,658,966.23 - Step 5: Solve for x
x = 13,406,658,966.23/131,346.97 - Step 6: Final answer
x = 102,070.56
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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.