Finding the Fourth Proportional to 160,860.93, 221,988.35 and 89,240.95
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Solution
The fourth proportional to 160,860.93, 221,988.35 and 89,240.95 is: 123,152.66
Step by Step Solution
- Step 1: Write the proportion equation
160,860.93 : 221,988.35 = 89,240.95 : x - Step 2: Convert to fraction form
160,860.93/221,988.35 = 89,240.95/x - Step 3: Cross multiply
160,860.93x = 221,988.35 × 89,240.95 - Step 4: Simplify right side
160,860.93x = 19,810,451,242.93 - Step 5: Solve for x
x = 19,810,451,242.93/160,860.93 - Step 6: Final answer
x = 123,152.66
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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.