Finding the Fourth Proportional to 159,199.14, 219,696.64 and 91,214.75
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Solution
The fourth proportional to 159,199.14, 219,696.64 and 91,214.75 is: 125,877.40
Step by Step Solution
- Step 1: Write the proportion equation
159,199.14 : 219,696.64 = 91,214.75 : x - Step 2: Convert to fraction form
159,199.14/219,696.64 = 91,214.75/x - Step 3: Cross multiply
159,199.14x = 219,696.64 × 91,214.75 - Step 4: Simplify right side
159,199.14x = 20,039,574,756.70 - Step 5: Solve for x
x = 20,039,574,756.70/159,199.14 - Step 6: Final answer
x = 125,877.40
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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.