Finding the Fourth Proportional to 160,752.14, 221,847.76 and 89,132.15
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Solution
The fourth proportional to 160,752.14, 221,847.76 and 89,132.15 is: 123,007.80
Step by Step Solution
- Step 1: Write the proportion equation
160,752.14 : 221,847.76 = 89,132.15 : x - Step 2: Convert to fraction form
160,752.14/221,847.76 = 89,132.15/x - Step 3: Cross multiply
160,752.14x = 221,847.76 × 89,132.15 - Step 4: Simplify right side
160,752.14x = 19,773,767,239.62 - Step 5: Solve for x
x = 19,773,767,239.62/160,752.14 - Step 6: Final answer
x = 123,007.80
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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.