Finding the Fourth Proportional to 146,670.42, 202,405.14 and 79,602.42
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Solution
The fourth proportional to 146,670.42, 202,405.14 and 79,602.42 is: 109,851.32
Step by Step Solution
- Step 1: Write the proportion equation
146,670.42 : 202,405.14 = 79,602.42 : x - Step 2: Convert to fraction form
146,670.42/202,405.14 = 79,602.42/x - Step 3: Cross multiply
146,670.42x = 202,405.14 × 79,602.42 - Step 4: Simplify right side
146,670.42x = 16,111,938,964.44 - Step 5: Solve for x
x = 16,111,938,964.44/146,670.42 - Step 6: Final answer
x = 109,851.32
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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.