Finding the Fourth Proportional to 113,818.91, 157,078.78 and 62,841.44
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Solution
The fourth proportional to 113,818.91, 157,078.78 and 62,841.44 is: 86,725.99
Step by Step Solution
- Step 1: Write the proportion equation
113,818.91 : 157,078.78 = 62,841.44 : x - Step 2: Convert to fraction form
113,818.91/157,078.78 = 62,841.44/x - Step 3: Cross multiply
113,818.91x = 157,078.78 × 62,841.44 - Step 4: Simplify right side
113,818.91x = 9,871,056,964.24 - Step 5: Solve for x
x = 9,871,056,964.24/113,818.91 - Step 6: Final answer
x = 86,725.99
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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.