Finding the Fourth Proportional to 115,977.02, 160,045.58 and 68,233.44
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Solution
The fourth proportional to 115,977.02, 160,045.58 and 68,233.44 is: 94,160.56
Step by Step Solution
- Step 1: Write the proportion equation
115,977.02 : 160,045.58 = 68,233.44 : x - Step 2: Convert to fraction form
115,977.02/160,045.58 = 68,233.44/x - Step 3: Cross multiply
115,977.02x = 160,045.58 × 68,233.44 - Step 4: Simplify right side
115,977.02x = 10,920,460,139.03 - Step 5: Solve for x
x = 10,920,460,139.03/115,977.02 - Step 6: Final answer
x = 94,160.56
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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.