Finding the Fourth Proportional to 166,706.68, 249,836.37 and 107,511.88
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Solution
The fourth proportional to 166,706.68, 249,836.37 and 107,511.88 is: 161,123.58
Step by Step Solution
- Step 1: Write the proportion equation
166,706.68 : 249,836.37 = 107,511.88 : x - Step 2: Convert to fraction form
166,706.68/249,836.37 = 107,511.88/x - Step 3: Cross multiply
166,706.68x = 249,836.37 × 107,511.88 - Step 4: Simplify right side
166,706.68x = 26,860,377,831.08 - Step 5: Solve for x
x = 26,860,377,831.08/166,706.68 - Step 6: Final answer
x = 161,123.58
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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.