Finding the Fourth Proportional to 117,315.24, 161,823.34 and 69,536.60
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Solution
The fourth proportional to 117,315.24, 161,823.34 and 69,536.60 is: 95,918.01
Step by Step Solution
- Step 1: Write the proportion equation
117,315.24 : 161,823.34 = 69,536.60 : x - Step 2: Convert to fraction form
117,315.24/161,823.34 = 69,536.60/x - Step 3: Cross multiply
117,315.24x = 161,823.34 × 69,536.60 - Step 4: Simplify right side
117,315.24x = 11,252,644,864.24 - Step 5: Solve for x
x = 11,252,644,864.24/117,315.24 - Step 6: Final answer
x = 95,918.01
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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.