Finding the Fourth Proportional to 141,621.24, 195,437.36 and 77,959.04
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Solution
The fourth proportional to 141,621.24, 195,437.36 and 77,959.04 is: 107,583.50
Step by Step Solution
- Step 1: Write the proportion equation
141,621.24 : 195,437.36 = 77,959.04 : x - Step 2: Convert to fraction form
141,621.24/195,437.36 = 77,959.04/x - Step 3: Cross multiply
141,621.24x = 195,437.36 × 77,959.04 - Step 4: Simplify right side
141,621.24x = 15,236,108,965.73 - Step 5: Solve for x
x = 15,236,108,965.73/141,621.24 - Step 6: Final answer
x = 107,583.50
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1.5x scale
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.