Finding the Fourth Proportional to 147,090.36, 202,985.58 and 80,022.84
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Solution
The fourth proportional to 147,090.36, 202,985.58 and 80,022.84 is: 110,432.00
Step by Step Solution
- Step 1: Write the proportion equation
147,090.36 : 202,985.58 = 80,022.84 : x - Step 2: Convert to fraction form
147,090.36/202,985.58 = 80,022.84/x - Step 3: Cross multiply
147,090.36x = 202,985.58 × 80,022.84 - Step 4: Simplify right side
147,090.36x = 16,243,482,590.65 - Step 5: Solve for x
x = 16,243,482,590.65/147,090.36 - Step 6: Final answer
x = 110,432.00
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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.