Finding the Fourth Proportional to 147,767.36, 203,926.84 and 84,125.66
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Solution
The fourth proportional to 147,767.36, 203,926.84 and 84,125.66 is: 116,097.90
Step by Step Solution
- Step 1: Write the proportion equation
147,767.36 : 203,926.84 = 84,125.66 : x - Step 2: Convert to fraction form
147,767.36/203,926.84 = 84,125.66/x - Step 3: Cross multiply
147,767.36x = 203,926.84 × 84,125.66 - Step 4: Simplify right side
147,767.36x = 17,155,480,006.71 - Step 5: Solve for x
x = 17,155,480,006.71/147,767.36 - Step 6: Final answer
x = 116,097.90
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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.