Finding the Fourth Proportional to 106,104.18, 159,477.81 and 70,203.08
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Solution
The fourth proportional to 106,104.18, 159,477.81 and 70,203.08 is: 105,517.37
Step by Step Solution
- Step 1: Write the proportion equation
106,104.18 : 159,477.81 = 70,203.08 : x - Step 2: Convert to fraction form
106,104.18/159,477.81 = 70,203.08/x - Step 3: Cross multiply
106,104.18x = 159,477.81 × 70,203.08 - Step 4: Simplify right side
106,104.18x = 11,195,833,102.64 - Step 5: Solve for x
x = 11,195,833,102.64/106,104.18 - Step 6: Final answer
x = 105,517.37
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1.5x scale
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.