Finding the Fourth Proportional to 133,161.57, 183,762.68 and 76,572.95
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Solution
The fourth proportional to 133,161.57, 183,762.68 and 76,572.95 is: 105,670.50
Step by Step Solution
- Step 1: Write the proportion equation
133,161.57 : 183,762.68 = 76,572.95 : x - Step 2: Convert to fraction form
133,161.57/183,762.68 = 76,572.95/x - Step 3: Cross multiply
133,161.57x = 183,762.68 × 76,572.95 - Step 4: Simplify right side
133,161.57x = 14,071,249,205.83 - Step 5: Solve for x
x = 14,071,249,205.83/133,161.57 - Step 6: Final answer
x = 105,670.50
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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.