Finding the Fourth Proportional to 107,133.71, 160,731.95 and 47,956.19
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Solution
The fourth proportional to 107,133.71, 160,731.95 and 47,956.19 is: 71,948.33
Step by Step Solution
- Step 1: Write the proportion equation
107,133.71 : 160,731.95 = 47,956.19 : x - Step 2: Convert to fraction form
107,133.71/160,731.95 = 47,956.19/x - Step 3: Cross multiply
107,133.71x = 160,731.95 × 47,956.19 - Step 4: Simplify right side
107,133.71x = 7,708,090,889.83 - Step 5: Solve for x
x = 7,708,090,889.83/107,133.71 - Step 6: Final answer
x = 71,948.33
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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.