Finding the Fourth Proportional to 134,349.20, 185,428.41 and 77,027.03
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Solution
The fourth proportional to 134,349.20, 185,428.41 and 77,027.03 is: 106,312.50
Step by Step Solution
- Step 1: Write the proportion equation
134,349.20 : 185,428.41 = 77,027.03 : x - Step 2: Convert to fraction form
134,349.20/185,428.41 = 77,027.03/x - Step 3: Cross multiply
134,349.20x = 185,428.41 × 77,027.03 - Step 4: Simplify right side
134,349.20x = 14,282,999,699.92 - Step 5: Solve for x
x = 14,282,999,699.92/134,349.20 - Step 6: Final answer
x = 106,312.50
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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.