Finding the Fourth Proportional to 146,119.34, 201,642.99 and 85,677.50
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Solution
The fourth proportional to 146,119.34, 201,642.99 and 85,677.50 is: 118,233.95
Step by Step Solution
- Step 1: Write the proportion equation
146,119.34 : 201,642.99 = 85,677.50 : x - Step 2: Convert to fraction form
146,119.34/201,642.99 = 85,677.50/x - Step 3: Cross multiply
146,119.34x = 201,642.99 × 85,677.50 - Step 4: Simplify right side
146,119.34x = 17,276,267,275.73 - Step 5: Solve for x
x = 17,276,267,275.73/146,119.34 - Step 6: Final answer
x = 118,233.95
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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.