Finding the Fourth Proportional to 146,683.08, 202,422.78 and 79,615.08
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Solution
The fourth proportional to 146,683.08, 202,422.78 and 79,615.08 is: 109,868.88
Step by Step Solution
- Step 1: Write the proportion equation
146,683.08 : 202,422.78 = 79,615.08 : x - Step 2: Convert to fraction form
146,683.08/202,422.78 = 79,615.08/x - Step 3: Cross multiply
146,683.08x = 202,422.78 × 79,615.08 - Step 4: Simplify right side
146,683.08x = 16,115,905,823.52 - Step 5: Solve for x
x = 16,115,905,823.52/146,683.08 - Step 6: Final answer
x = 109,868.88
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1.5x scale
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.