Finding the Fourth Proportional to 118,270.05, 163,206.68 and 64,554.63
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Solution
The fourth proportional to 118,270.05, 163,206.68 and 64,554.63 is: 89,082.12
Step by Step Solution
- Step 1: Write the proportion equation
118,270.05 : 163,206.68 = 64,554.63 : x - Step 2: Convert to fraction form
118,270.05/163,206.68 = 64,554.63/x - Step 3: Cross multiply
118,270.05x = 163,206.68 × 64,554.63 - Step 4: Simplify right side
118,270.05x = 10,535,746,518.16 - Step 5: Solve for x
x = 10,535,746,518.16/118,270.05 - Step 6: Final answer
x = 89,082.12
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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.