Finding the Fourth Proportional to 142,463.58, 213,695.66 and 97,955.70
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Solution
The fourth proportional to 142,463.58, 213,695.66 and 97,955.70 is: 146,933.75
Step by Step Solution
- Step 1: Write the proportion equation
142,463.58 : 213,695.66 = 97,955.70 : x - Step 2: Convert to fraction form
142,463.58/213,695.66 = 97,955.70/x - Step 3: Cross multiply
142,463.58x = 213,695.66 × 97,955.70 - Step 4: Simplify right side
142,463.58x = 20,932,707,962.26 - Step 5: Solve for x
x = 20,932,707,962.26/142,463.58 - Step 6: Final answer
x = 146,933.75
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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.