Finding the Fourth Proportional to 106,635.99, 147,157.76 and 58,889.53
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Solution
The fourth proportional to 106,635.99, 147,157.76 and 58,889.53 is: 81,267.60
Step by Step Solution
- Step 1: Write the proportion equation
106,635.99 : 147,157.76 = 58,889.53 : x - Step 2: Convert to fraction form
106,635.99/147,157.76 = 58,889.53/x - Step 3: Cross multiply
106,635.99x = 147,157.76 × 58,889.53 - Step 4: Simplify right side
106,635.99x = 8,666,051,653.42 - Step 5: Solve for x
x = 8,666,051,653.42/106,635.99 - Step 6: Final answer
x = 81,267.60
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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.