Finding the Fourth Proportional to 135,090.64, 202,695.36 and 71,895.88
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Solution
The fourth proportional to 135,090.64, 202,695.36 and 71,895.88 is: 107,875.43
Step by Step Solution
- Step 1: Write the proportion equation
135,090.64 : 202,695.36 = 71,895.88 : x - Step 2: Convert to fraction form
135,090.64/202,695.36 = 71,895.88/x - Step 3: Cross multiply
135,090.64x = 202,695.36 × 71,895.88 - Step 4: Simplify right side
135,090.64x = 14,572,961,279.12 - Step 5: Solve for x
x = 14,572,961,279.12/135,090.64 - Step 6: Final answer
x = 107,875.43
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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.