Finding the Fourth Proportional to 148,210.08, 204,527.88 and 81,142.08
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Solution
The fourth proportional to 148,210.08, 204,527.88 and 81,142.08 is: 111,974.96
Step by Step Solution
- Step 1: Write the proportion equation
148,210.08 : 204,527.88 = 81,142.08 : x - Step 2: Convert to fraction form
148,210.08/204,527.88 = 81,142.08/x - Step 3: Cross multiply
148,210.08x = 204,527.88 × 81,142.08 - Step 4: Simplify right side
148,210.08x = 16,595,817,601.19 - Step 5: Solve for x
x = 16,595,817,601.19/148,210.08 - Step 6: Final answer
x = 111,974.96
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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.