Finding the Fourth Proportional to 133,329.99, 184,041.69 and 76,763.91
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Solution
The fourth proportional to 133,329.99, 184,041.69 and 76,763.91 is: 105,960.85
Step by Step Solution
- Step 1: Write the proportion equation
133,329.99 : 184,041.69 = 76,763.91 : x - Step 2: Convert to fraction form
133,329.99/184,041.69 = 76,763.91/x - Step 3: Cross multiply
133,329.99x = 184,041.69 × 76,763.91 - Step 4: Simplify right side
133,329.99x = 14,127,758,423.38 - Step 5: Solve for x
x = 14,127,758,423.38/133,329.99 - Step 6: Final answer
x = 105,960.85
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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.