Finding the Fourth Proportional to 147,888.05, 204,085.51 and 79,905.05
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Solution
The fourth proportional to 147,888.05, 204,085.51 and 79,905.05 is: 110,268.96
Step by Step Solution
- Step 1: Write the proportion equation
147,888.05 : 204,085.51 = 79,905.05 : x - Step 2: Convert to fraction form
147,888.05/204,085.51 = 79,905.05/x - Step 3: Cross multiply
147,888.05x = 204,085.51 × 79,905.05 - Step 4: Simplify right side
147,888.05x = 16,307,461,660.64 - Step 5: Solve for x
x = 16,307,461,660.64/147,888.05 - Step 6: Final answer
x = 110,268.96
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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.