Finding the Fourth Proportional to 113,850.19, 157,115.76 and 62,862.78
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Solution
The fourth proportional to 113,850.19, 157,115.76 and 62,862.78 is: 86,752.02
Step by Step Solution
- Step 1: Write the proportion equation
113,850.19 : 157,115.76 = 62,862.78 : x - Step 2: Convert to fraction form
113,850.19/157,115.76 = 62,862.78/x - Step 3: Cross multiply
113,850.19x = 157,115.76 × 62,862.78 - Step 4: Simplify right side
113,850.19x = 9,876,733,219.68 - Step 5: Solve for x
x = 9,876,733,219.68/113,850.19 - Step 6: Final answer
x = 86,752.02
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1.5x scale
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.