Finding the Fourth Proportional to 119,675.28, 179,316.06 and 94,874.70
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Solution
The fourth proportional to 119,675.28, 179,316.06 and 94,874.70 is: 142,155.99
Step by Step Solution
- Step 1: Write the proportion equation
119,675.28 : 179,316.06 = 94,874.70 : x - Step 2: Convert to fraction form
119,675.28/179,316.06 = 94,874.70/x - Step 3: Cross multiply
119,675.28x = 179,316.06 × 94,874.70 - Step 4: Simplify right side
119,675.28x = 17,012,557,397.68 - Step 5: Solve for x
x = 17,012,557,397.68/119,675.28 - Step 6: Final answer
x = 142,155.99
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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.