Finding the Fourth Proportional to 117,252.42, 161,808.50 and 63,537.44
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Solution
The fourth proportional to 117,252.42, 161,808.50 and 63,537.44 is: 87,681.75
Step by Step Solution
- Step 1: Write the proportion equation
117,252.42 : 161,808.50 = 63,537.44 : x - Step 2: Convert to fraction form
117,252.42/161,808.50 = 63,537.44/x - Step 3: Cross multiply
117,252.42x = 161,808.50 × 63,537.44 - Step 4: Simplify right side
117,252.42x = 10,280,897,860.24 - Step 5: Solve for x
x = 10,280,897,860.24/117,252.42 - Step 6: Final answer
x = 87,681.75
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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.