Finding the Fourth Proportional to 106,177.12, 159,364.14 and 53,623.48
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Solution
The fourth proportional to 106,177.12, 159,364.14 and 53,623.48 is: 80,484.95
Step by Step Solution
- Step 1: Write the proportion equation
106,177.12 : 159,364.14 = 53,623.48 : x - Step 2: Convert to fraction form
106,177.12/159,364.14 = 53,623.48/x - Step 3: Cross multiply
106,177.12x = 159,364.14 × 53,623.48 - Step 4: Simplify right side
106,177.12x = 8,545,659,774.01 - Step 5: Solve for x
x = 8,545,659,774.01/106,177.12 - Step 6: Final answer
x = 80,484.95
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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.