Finding the Fourth Proportional to 157,465.80, 236,198.70 and 138,766.95
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Solution
The fourth proportional to 157,465.80, 236,198.70 and 138,766.95 is: 208,150.43
Step by Step Solution
- Step 1: Write the proportion equation
157,465.80 : 236,198.70 = 138,766.95 : x - Step 2: Convert to fraction form
157,465.80/236,198.70 = 138,766.95/x - Step 3: Cross multiply
157,465.80x = 236,198.70 × 138,766.95 - Step 4: Simplify right side
157,465.80x = 32,776,573,192.97 - Step 5: Solve for x
x = 32,776,573,192.97/157,465.80 - Step 6: Final answer
x = 208,150.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.