Finding the Fourth Proportional to 124,948.09, 187,422.14 and 36,201.66
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Solution
The fourth proportional to 124,948.09, 187,422.14 and 36,201.66 is: 54,302.49
Step by Step Solution
- Step 1: Write the proportion equation
124,948.09 : 187,422.14 = 36,201.66 : x - Step 2: Convert to fraction form
124,948.09/187,422.14 = 36,201.66/x - Step 3: Cross multiply
124,948.09x = 187,422.14 × 36,201.66 - Step 4: Simplify right side
124,948.09x = 6,784,992,588.75 - Step 5: Solve for x
x = 6,784,992,588.75/124,948.09 - Step 6: Final answer
x = 54,302.49
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1.5x scale
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.