Finding the Fourth Proportional to 107,577.16, 161,143.80 and 63,068.74
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Solution
The fourth proportional to 107,577.16, 161,143.80 and 63,068.74 is: 94,472.99
Step by Step Solution
- Step 1: Write the proportion equation
107,577.16 : 161,143.80 = 63,068.74 : x - Step 2: Convert to fraction form
107,577.16/161,143.80 = 63,068.74/x - Step 3: Cross multiply
107,577.16x = 161,143.80 × 63,068.74 - Step 4: Simplify right side
107,577.16x = 10,163,136,424.81 - Step 5: Solve for x
x = 10,163,136,424.81/107,577.16 - Step 6: Final answer
x = 94,472.99
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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.