Finding the Fourth Proportional to 99,174.70, 136,860.58 and 53,852.28
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Solution
The fourth proportional to 99,174.70, 136,860.58 and 53,852.28 is: 74,315.88
Step by Step Solution
- Step 1: Write the proportion equation
99,174.70 : 136,860.58 = 53,852.28 : x - Step 2: Convert to fraction form
99,174.70/136,860.58 = 53,852.28/x - Step 3: Cross multiply
99,174.70x = 136,860.58 × 53,852.28 - Step 4: Simplify right side
99,174.70x = 7,370,254,801.76 - Step 5: Solve for x
x = 7,370,254,801.76/99,174.70 - Step 6: Final answer
x = 74,315.88
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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.