Finding the Fourth Proportional to 106,152.23, 159,291.90 and 39,639.08
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Solution
The fourth proportional to 106,152.23, 159,291.90 and 39,639.08 is: 59,482.35
Step by Step Solution
- Step 1: Write the proportion equation
106,152.23 : 159,291.90 = 39,639.08 : x - Step 2: Convert to fraction form
106,152.23/159,291.90 = 39,639.08/x - Step 3: Cross multiply
106,152.23x = 159,291.90 × 39,639.08 - Step 4: Simplify right side
106,152.23x = 6,314,184,765.68 - Step 5: Solve for x
x = 6,314,184,765.68/106,152.23 - Step 6: Final answer
x = 59,482.35
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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.