Finding the Fourth Proportional to 117,919.18, 162,599.16 and 102,675.79
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Solution
The fourth proportional to 117,919.18, 162,599.16 and 102,675.79 is: 141,580.00
Step by Step Solution
- Step 1: Write the proportion equation
117,919.18 : 162,599.16 = 102,675.79 : x - Step 2: Convert to fraction form
117,919.18/162,599.16 = 102,675.79/x - Step 3: Cross multiply
117,919.18x = 162,599.16 × 102,675.79 - Step 4: Simplify right side
117,919.18x = 16,694,997,206.34 - Step 5: Solve for x
x = 16,694,997,206.34/117,919.18 - Step 6: Final answer
x = 141,580.00
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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.