Finding the Fourth Proportional to 134,934.18, 202,231.17 and 68,391.06
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Solution
The fourth proportional to 134,934.18, 202,231.17 and 68,391.06 is: 102,500.38
Step by Step Solution
- Step 1: Write the proportion equation
134,934.18 : 202,231.17 = 68,391.06 : x - Step 2: Convert to fraction form
134,934.18/202,231.17 = 68,391.06/x - Step 3: Cross multiply
134,934.18x = 202,231.17 × 68,391.06 - Step 4: Simplify right side
134,934.18x = 13,830,804,081.34 - Step 5: Solve for x
x = 13,830,804,081.34/134,934.18 - Step 6: Final answer
x = 102,500.38
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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.