Finding the Fourth Proportional to 159,548.15, 220,176.50 and 86,951.08
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Solution
The fourth proportional to 159,548.15, 220,176.50 and 86,951.08 is: 119,992.52
Step by Step Solution
- Step 1: Write the proportion equation
159,548.15 : 220,176.50 = 86,951.08 : x - Step 2: Convert to fraction form
159,548.15/220,176.50 = 86,951.08/x - Step 3: Cross multiply
159,548.15x = 220,176.50 × 86,951.08 - Step 4: Simplify right side
159,548.15x = 19,144,584,465.62 - Step 5: Solve for x
x = 19,144,584,465.62/159,548.15 - Step 6: Final answer
x = 119,992.52
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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.