Finding the Fourth Proportional to 148,803.62, 205,352.62 and 85,161.92
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Solution
The fourth proportional to 148,803.62, 205,352.62 and 85,161.92 is: 117,525.52
Step by Step Solution
- Step 1: Write the proportion equation
148,803.62 : 205,352.62 = 85,161.92 : x - Step 2: Convert to fraction form
148,803.62/205,352.62 = 85,161.92/x - Step 3: Cross multiply
148,803.62x = 205,352.62 × 85,161.92 - Step 4: Simplify right side
148,803.62x = 17,488,222,156.56 - Step 5: Solve for x
x = 17,488,222,156.56/148,803.62 - Step 6: Final answer
x = 117,525.52
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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.