Finding the Fourth Proportional to 160,759.58, 221,837.40 and 89,136.95
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Solution
The fourth proportional to 160,759.58, 221,837.40 and 89,136.95 is: 123,002.99
Step by Step Solution
- Step 1: Write the proportion equation
160,759.58 : 221,837.40 = 89,136.95 : x - Step 2: Convert to fraction form
160,759.58/221,837.40 = 89,136.95/x - Step 3: Cross multiply
160,759.58x = 221,837.40 × 89,136.95 - Step 4: Simplify right side
160,759.58x = 19,773,908,122.74 - Step 5: Solve for x
x = 19,773,908,122.74/160,759.58 - Step 6: Final answer
x = 123,002.99
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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.