Finding the Fourth Proportional to 134,305.44, 185,330.08 and 77,720.32
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Solution
The fourth proportional to 134,305.44, 185,330.08 and 77,720.32 is: 107,247.43
Step by Step Solution
- Step 1: Write the proportion equation
134,305.44 : 185,330.08 = 77,720.32 : x - Step 2: Convert to fraction form
134,305.44/185,330.08 = 77,720.32/x - Step 3: Cross multiply
134,305.44x = 185,330.08 × 77,720.32 - Step 4: Simplify right side
134,305.44x = 14,403,913,123.23 - Step 5: Solve for x
x = 14,403,913,123.23/134,305.44 - Step 6: Final answer
x = 107,247.43
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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.