Finding the Fourth Proportional to 124,989.18, 187,502.26 and 36,231.14
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Solution
The fourth proportional to 124,989.18, 187,502.26 and 36,231.14 is: 54,352.07
Step by Step Solution
- Step 1: Write the proportion equation
124,989.18 : 187,502.26 = 36,231.14 : x - Step 2: Convert to fraction form
124,989.18/187,502.26 = 36,231.14/x - Step 3: Cross multiply
124,989.18x = 187,502.26 × 36,231.14 - Step 4: Simplify right side
124,989.18x = 6,793,420,632.38 - Step 5: Solve for x
x = 6,793,420,632.38/124,989.18 - Step 6: Final answer
x = 54,352.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.