Finding the Fourth Proportional to 106,221.12, 159,430.20 and 53,667.48
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Solution
The fourth proportional to 106,221.12, 159,430.20 and 53,667.48 is: 80,551.00
Step by Step Solution
- Step 1: Write the proportion equation
106,221.12 : 159,430.20 = 53,667.48 : x - Step 2: Convert to fraction form
106,221.12/159,430.20 = 53,667.48/x - Step 3: Cross multiply
106,221.12x = 159,430.20 × 53,667.48 - Step 4: Simplify right side
106,221.12x = 8,556,217,069.90 - Step 5: Solve for x
x = 8,556,217,069.90/106,221.12 - Step 6: Final answer
x = 80,551.00
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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.