Finding the Fourth Proportional to 166,701.18, 249,828.12 and 107,506.38
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Solution
The fourth proportional to 166,701.18, 249,828.12 and 107,506.38 is: 161,115.34
Step by Step Solution
- Step 1: Write the proportion equation
166,701.18 : 249,828.12 = 107,506.38 : x - Step 2: Convert to fraction form
166,701.18/249,828.12 = 107,506.38/x - Step 3: Cross multiply
166,701.18x = 249,828.12 × 107,506.38 - Step 4: Simplify right side
166,701.18x = 26,858,116,803.41 - Step 5: Solve for x
x = 26,858,116,803.41/166,701.18 - Step 6: Final answer
x = 161,115.34
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1.5x scale
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.