Finding the Fourth Proportional to 161,364.63, 222,681.95 and 88,765.95
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Solution
The fourth proportional to 161,364.63, 222,681.95 and 88,765.95 is: 122,496.33
Step by Step Solution
- Step 1: Write the proportion equation
161,364.63 : 222,681.95 = 88,765.95 : x - Step 2: Convert to fraction form
161,364.63/222,681.95 = 88,765.95/x - Step 3: Cross multiply
161,364.63x = 222,681.95 × 88,765.95 - Step 4: Simplify right side
161,364.63x = 19,766,575,146.17 - Step 5: Solve for x
x = 19,766,575,146.17/161,364.63 - Step 6: Final answer
x = 122,496.33
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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.