Finding the Fourth Proportional to 113,053.68, 169,422.14 and 84,955.79
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Solution
The fourth proportional to 113,053.68, 169,422.14 and 84,955.79 is: 127,314.67
Step by Step Solution
- Step 1: Write the proportion equation
113,053.68 : 169,422.14 = 84,955.79 : x - Step 2: Convert to fraction form
113,053.68/169,422.14 = 84,955.79/x - Step 3: Cross multiply
113,053.68x = 169,422.14 × 84,955.79 - Step 4: Simplify right side
113,053.68x = 14,393,392,383.14 - Step 5: Solve for x
x = 14,393,392,383.14/113,053.68 - Step 6: Final answer
x = 127,314.67
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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.