Finding the Fourth Proportional to 119,865.16, 165,485.46 and 106,580.68
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Solution
The fourth proportional to 119,865.16, 165,485.46 and 106,580.68 is: 147,144.95
Step by Step Solution
- Step 1: Write the proportion equation
119,865.16 : 165,485.46 = 106,580.68 : x - Step 2: Convert to fraction form
119,865.16/165,485.46 = 106,580.68/x - Step 3: Cross multiply
119,865.16x = 165,485.46 × 106,580.68 - Step 4: Simplify right side
119,865.16x = 17,637,552,856.91 - Step 5: Solve for x
x = 17,637,552,856.91/119,865.16 - Step 6: Final answer
x = 147,144.95
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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.