Finding the Fourth Proportional to 106,091.84, 145,509.74 and 94,134.44
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Solution
The fourth proportional to 106,091.84, 145,509.74 and 94,134.44 is: 129,109.62
Step by Step Solution
- Step 1: Write the proportion equation
106,091.84 : 145,509.74 = 94,134.44 : x - Step 2: Convert to fraction form
106,091.84/145,509.74 = 94,134.44/x - Step 3: Cross multiply
106,091.84x = 145,509.74 × 94,134.44 - Step 4: Simplify right side
106,091.84x = 13,697,476,691.22 - Step 5: Solve for x
x = 13,697,476,691.22/106,091.84 - Step 6: Final answer
x = 129,109.62
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.