Finding the Fourth Proportional to 107,109.40, 160,495.08 and 87,020.88
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Solution
The fourth proportional to 107,109.40, 160,495.08 and 87,020.88 is: 130,394.00
Step by Step Solution
- Step 1: Write the proportion equation
107,109.40 : 160,495.08 = 87,020.88 : x - Step 2: Convert to fraction form
107,109.40/160,495.08 = 87,020.88/x - Step 3: Cross multiply
107,109.40x = 160,495.08 × 87,020.88 - Step 4: Simplify right side
107,109.40x = 13,966,423,097.27 - Step 5: Solve for x
x = 13,966,423,097.27/107,109.40 - Step 6: Final answer
x = 130,394.00
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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.