Finding the Fourth Proportional to 112,541.68, 168,526.84 and 67,534.74
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Solution
The fourth proportional to 112,541.68, 168,526.84 and 67,534.74 is: 101,130.68
Step by Step Solution
- Step 1: Write the proportion equation
112,541.68 : 168,526.84 = 67,534.74 : x - Step 2: Convert to fraction form
112,541.68/168,526.84 = 67,534.74/x - Step 3: Cross multiply
112,541.68x = 168,526.84 × 67,534.74 - Step 4: Simplify right side
112,541.68x = 11,381,416,322.42 - Step 5: Solve for x
x = 11,381,416,322.42/112,541.68 - Step 6: Final answer
x = 101,130.68
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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.