Finding the Fourth Proportional to 84,195.16, 125,676.38 and 74,230.94
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Solution
The fourth proportional to 84,195.16, 125,676.38 and 74,230.94 is: 110,802.99
Step by Step Solution
- Step 1: Write the proportion equation
84,195.16 : 125,676.38 = 74,230.94 : x - Step 2: Convert to fraction form
84,195.16/125,676.38 = 74,230.94/x - Step 3: Cross multiply
84,195.16x = 125,676.38 × 74,230.94 - Step 4: Simplify right side
84,195.16x = 9,329,075,823.20 - Step 5: Solve for x
x = 9,329,075,823.20/84,195.16 - Step 6: Final answer
x = 110,802.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.