Finding the Fourth Proportional to 148,945.57, 205,521.97 and 88,493.84
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Solution
The fourth proportional to 148,945.57, 205,521.97 and 88,493.84 is: 122,107.88
Step by Step Solution
- Step 1: Write the proportion equation
148,945.57 : 205,521.97 = 88,493.84 : x - Step 2: Convert to fraction form
148,945.57/205,521.97 = 88,493.84/x - Step 3: Cross multiply
148,945.57x = 205,521.97 × 88,493.84 - Step 4: Simplify right side
148,945.57x = 18,187,427,887.20 - Step 5: Solve for x
x = 18,187,427,887.20/148,945.57 - Step 6: Final answer
x = 122,107.88
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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.