Finding the Fourth Proportional to 104,723.14, 144,506.94 and 59,386.63
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Solution
The fourth proportional to 104,723.14, 144,506.94 and 59,386.63 is: 81,947.32
Step by Step Solution
- Step 1: Write the proportion equation
104,723.14 : 144,506.94 = 59,386.63 : x - Step 2: Convert to fraction form
104,723.14/144,506.94 = 59,386.63/x - Step 3: Cross multiply
104,723.14x = 144,506.94 × 59,386.63 - Step 4: Simplify right side
104,723.14x = 8,581,780,178.21 - Step 5: Solve for x
x = 8,581,780,178.21/104,723.14 - Step 6: Final answer
x = 81,947.32
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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.