Finding the Fourth Proportional to 133,030.42, 183,585.84 and 72,604.94
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Solution
The fourth proportional to 133,030.42, 183,585.84 and 72,604.94 is: 100,196.92
Step by Step Solution
- Step 1: Write the proportion equation
133,030.42 : 183,585.84 = 72,604.94 : x - Step 2: Convert to fraction form
133,030.42/183,585.84 = 72,604.94/x - Step 3: Cross multiply
133,030.42x = 183,585.84 × 72,604.94 - Step 4: Simplify right side
133,030.42x = 13,329,238,898.05 - Step 5: Solve for x
x = 13,329,238,898.05/133,030.42 - Step 6: Final answer
x = 100,196.92
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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.