Finding the Fourth Proportional to 131,566.06, 181,556.28 and 74,966.50
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Solution
The fourth proportional to 131,566.06, 181,556.28 and 74,966.50 is: 103,450.99
Step by Step Solution
- Step 1: Write the proportion equation
131,566.06 : 181,556.28 = 74,966.50 : x - Step 2: Convert to fraction form
131,566.06/181,556.28 = 74,966.50/x - Step 3: Cross multiply
131,566.06x = 181,556.28 × 74,966.50 - Step 4: Simplify right side
131,566.06x = 13,610,638,864.62 - Step 5: Solve for x
x = 13,610,638,864.62/131,566.06 - Step 6: Final answer
x = 103,450.99
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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.