Finding the Fourth Proportional to 160,857.93, 221,984.21 and 89,237.95
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Solution
The fourth proportional to 160,857.93, 221,984.21 and 89,237.95 is: 123,148.52
Step by Step Solution
- Step 1: Write the proportion equation
160,857.93 : 221,984.21 = 89,237.95 : x - Step 2: Convert to fraction form
160,857.93/221,984.21 = 89,237.95/x - Step 3: Cross multiply
160,857.93x = 221,984.21 × 89,237.95 - Step 4: Simplify right side
160,857.93x = 19,809,415,832.77 - Step 5: Solve for x
x = 19,809,415,832.77/160,857.93 - Step 6: Final answer
x = 123,148.52
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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.